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Finding the Fourth Proportional to 69,737.84, 104,620.68 and 36,472.88

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Solution

The fourth proportional to 69,737.84, 104,620.68 and 36,472.88 is: 54,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,737.84 : 104,620.68 = 36,472.88 : x
  2. Step 2: Convert to fraction form
    69,737.84/104,620.68 = 36,472.88/x
  3. Step 3: Cross multiply
    69,737.84x = 104,620.68 × 36,472.88
  4. Step 4: Simplify right side
    69,737.84x = 3,815,817,507.16
  5. Step 5: Solve for x
    x = 3,815,817,507.16/69,737.84
  6. Step 6: Final answer
    x = 54,716.60

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1.5x scale

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.