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Finding the Fourth Proportional to 63,397.56, 95,109.30 and 21,839.16

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Solution

The fourth proportional to 63,397.56, 95,109.30 and 21,839.16 is: 32,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,397.56 : 95,109.30 = 21,839.16 : x
  2. Step 2: Convert to fraction form
    63,397.56/95,109.30 = 21,839.16/x
  3. Step 3: Cross multiply
    63,397.56x = 95,109.30 × 21,839.16
  4. Step 4: Simplify right side
    63,397.56x = 2,077,107,220.19
  5. Step 5: Solve for x
    x = 2,077,107,220.19/63,397.56
  6. Step 6: Final answer
    x = 32,763.20

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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.