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Finding the Fourth Proportional to 60,646.61, 90,869.35 and 36,882.28

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Solution

The fourth proportional to 60,646.61, 90,869.35 and 36,882.28 is: 55,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,646.61 : 90,869.35 = 36,882.28 : x
  2. Step 2: Convert to fraction form
    60,646.61/90,869.35 = 36,882.28/x
  3. Step 3: Cross multiply
    60,646.61x = 90,869.35 × 36,882.28
  4. Step 4: Simplify right side
    60,646.61x = 3,351,468,171.36
  5. Step 5: Solve for x
    x = 3,351,468,171.36/60,646.61
  6. Step 6: Final answer
    x = 55,262.25

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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.