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Finding the Fourth Proportional to 63,654.16, 87,762 and 45,526.72

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Solution

The fourth proportional to 63,654.16, 87,762 and 45,526.72 is: 62,769.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,654.16 : 87,762 = 45,526.72 : x
  2. Step 2: Convert to fraction form
    63,654.16/87,762 = 45,526.72/x
  3. Step 3: Cross multiply
    63,654.16x = 87,762 × 45,526.72
  4. Step 4: Simplify right side
    63,654.16x = 3,995,516,000.64
  5. Step 5: Solve for x
    x = 3,995,516,000.64/63,654.16
  6. Step 6: Final answer
    x = 62,769.13

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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.