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Finding the Fourth Proportional to 42,366, 63,549 and 14,664

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Solution

The fourth proportional to 42,366, 63,549 and 14,664 is: 21,996

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,366 : 63,549 = 14,664 : x
  2. Step 2: Convert to fraction form
    42,366/63,549 = 14,664/x
  3. Step 3: Cross multiply
    42,366x = 63,549 × 14,664
  4. Step 4: Simplify right side
    42,366x = 931,882,536
  5. Step 5: Solve for x
    x = 931,882,536/42,366
  6. Step 6: Final answer
    x = 21,996

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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.