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Finding the Fourth Proportional to 36,657.48, 54,986.22 and 13,276.20

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Solution

The fourth proportional to 36,657.48, 54,986.22 and 13,276.20 is: 19,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,657.48 : 54,986.22 = 13,276.20 : x
  2. Step 2: Convert to fraction form
    36,657.48/54,986.22 = 13,276.20/x
  3. Step 3: Cross multiply
    36,657.48x = 54,986.22 × 13,276.20
  4. Step 4: Simplify right side
    36,657.48x = 730,008,053.96
  5. Step 5: Solve for x
    x = 730,008,053.96/36,657.48
  6. Step 6: Final answer
    x = 19,914.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.