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Finding the Fourth Proportional to 66,526.84, 99,737.24 and 38,414.98

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Solution

The fourth proportional to 66,526.84, 99,737.24 and 38,414.98 is: 57,591.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,526.84 : 99,737.24 = 38,414.98 : x
  2. Step 2: Convert to fraction form
    66,526.84/99,737.24 = 38,414.98/x
  3. Step 3: Cross multiply
    66,526.84x = 99,737.24 × 38,414.98
  4. Step 4: Simplify right side
    66,526.84x = 3,831,404,079.86
  5. Step 5: Solve for x
    x = 3,831,404,079.86/66,526.84
  6. Step 6: Final answer
    x = 57,591.85

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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.