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Finding the Fourth Proportional to 60,579.73, 90,862.41 and 16,209.91

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Solution

The fourth proportional to 60,579.73, 90,862.41 and 16,209.91 is: 24,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,579.73 : 90,862.41 = 16,209.91 : x
  2. Step 2: Convert to fraction form
    60,579.73/90,862.41 = 16,209.91/x
  3. Step 3: Cross multiply
    60,579.73x = 90,862.41 × 16,209.91
  4. Step 4: Simplify right side
    60,579.73x = 1,472,871,034.17
  5. Step 5: Solve for x
    x = 1,472,871,034.17/60,579.73
  6. Step 6: Final answer
    x = 24,312.94

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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.