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Finding the Fourth Proportional to 41,695.72, 62,547.01 and 13,615.16

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Solution

The fourth proportional to 41,695.72, 62,547.01 and 13,615.16 is: 20,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,695.72 : 62,547.01 = 13,615.16 : x
  2. Step 2: Convert to fraction form
    41,695.72/62,547.01 = 13,615.16/x
  3. Step 3: Cross multiply
    41,695.72x = 62,547.01 × 13,615.16
  4. Step 4: Simplify right side
    41,695.72x = 851,587,201.90
  5. Step 5: Solve for x
    x = 851,587,201.90/41,695.72
  6. Step 6: Final answer
    x = 20,423.85

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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.