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Finding the Fourth Proportional to 40,251.84, 60,377.76 and 12,552

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Solution

The fourth proportional to 40,251.84, 60,377.76 and 12,552 is: 18,828

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,251.84 : 60,377.76 = 12,552 : x
  2. Step 2: Convert to fraction form
    40,251.84/60,377.76 = 12,552/x
  3. Step 3: Cross multiply
    40,251.84x = 60,377.76 × 12,552
  4. Step 4: Simplify right side
    40,251.84x = 757,861,643.52
  5. Step 5: Solve for x
    x = 757,861,643.52/40,251.84
  6. Step 6: Final answer
    x = 18,828

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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.