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Finding the Fourth Proportional to 67,753.61, 101,614.07 and 28,289.33

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Solution

The fourth proportional to 67,753.61, 101,614.07 and 28,289.33 is: 42,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,753.61 : 101,614.07 = 28,289.33 : x
  2. Step 2: Convert to fraction form
    67,753.61/101,614.07 = 28,289.33/x
  3. Step 3: Cross multiply
    67,753.61x = 101,614.07 × 28,289.33
  4. Step 4: Simplify right side
    67,753.61x = 2,874,593,521.53
  5. Step 5: Solve for x
    x = 2,874,593,521.53/67,753.61
  6. Step 6: Final answer
    x = 42,427.17

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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.