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Finding the Fourth Proportional to 36,657.19, 50,586.89 and 19,890.19

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Solution

The fourth proportional to 36,657.19, 50,586.89 and 19,890.19 is: 27,448.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,657.19 : 50,586.89 = 19,890.19 : x
  2. Step 2: Convert to fraction form
    36,657.19/50,586.89 = 19,890.19/x
  3. Step 3: Cross multiply
    36,657.19x = 50,586.89 × 19,890.19
  4. Step 4: Simplify right side
    36,657.19x = 1,006,182,853.61
  5. Step 5: Solve for x
    x = 1,006,182,853.61/36,657.19
  6. Step 6: Final answer
    x = 27,448.44

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Half scale
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Double scale
Find fourth proportional to 36,658.19, 50,588.27 and 19,891.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.