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Finding the Fourth Proportional to 63,424.68, 87,526.17 and 35,129.76

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Solution

The fourth proportional to 63,424.68, 87,526.17 and 35,129.76 is: 48,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,424.68 : 87,526.17 = 35,129.76 : x
  2. Step 2: Convert to fraction form
    63,424.68/87,526.17 = 35,129.76/x
  3. Step 3: Cross multiply
    63,424.68x = 87,526.17 × 35,129.76
  4. Step 4: Simplify right side
    63,424.68x = 3,074,773,345.82
  5. Step 5: Solve for x
    x = 3,074,773,345.82/63,424.68
  6. Step 6: Final answer
    x = 48,479.13

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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.