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Finding the Fourth Proportional to 36,555.84, 50,447.46 and 21,448.76

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Solution

The fourth proportional to 36,555.84, 50,447.46 and 21,448.76 is: 29,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,555.84 : 50,447.46 = 21,448.76 : x
  2. Step 2: Convert to fraction form
    36,555.84/50,447.46 = 21,448.76/x
  3. Step 3: Cross multiply
    36,555.84x = 50,447.46 × 21,448.76
  4. Step 4: Simplify right side
    36,555.84x = 1,082,035,462.15
  5. Step 5: Solve for x
    x = 1,082,035,462.15/36,555.84
  6. Step 6: Final answer
    x = 29,599.52

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Half scale
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Double scale
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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.