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Finding the Fourth Proportional to 67,663.89, 101,502.65 and 23,284.80

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Solution

The fourth proportional to 67,663.89, 101,502.65 and 23,284.80 is: 34,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,663.89 : 101,502.65 = 23,284.80 : x
  2. Step 2: Convert to fraction form
    67,663.89/101,502.65 = 23,284.80/x
  3. Step 3: Cross multiply
    67,663.89x = 101,502.65 × 23,284.80
  4. Step 4: Simplify right side
    67,663.89x = 2,363,468,962.93
  5. Step 5: Solve for x
    x = 2,363,468,962.93/67,663.89
  6. Step 6: Final answer
    x = 34,929.55

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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.