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Finding the Fourth Proportional to 63,602.61, 87,767.21 and 35,306.07

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Solution

The fourth proportional to 63,602.61, 87,767.21 and 35,306.07 is: 48,719.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,602.61 : 87,767.21 = 35,306.07 : x
  2. Step 2: Convert to fraction form
    63,602.61/87,767.21 = 35,306.07/x
  3. Step 3: Cross multiply
    63,602.61x = 87,767.21 × 35,306.07
  4. Step 4: Simplify right side
    63,602.61x = 3,098,715,083.43
  5. Step 5: Solve for x
    x = 3,098,715,083.43/63,602.61
  6. Step 6: Final answer
    x = 48,719.94

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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.