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Finding the Fourth Proportional to 16,687.62, 23,024.21 and 9,974.88

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Solution

The fourth proportional to 16,687.62, 23,024.21 and 9,974.88 is: 13,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.62 : 23,024.21 = 9,974.88 : x
  2. Step 2: Convert to fraction form
    16,687.62/23,024.21 = 9,974.88/x
  3. Step 3: Cross multiply
    16,687.62x = 23,024.21 × 9,974.88
  4. Step 4: Simplify right side
    16,687.62x = 229,663,681.97
  5. Step 5: Solve for x
    x = 229,663,681.97/16,687.62
  6. Step 6: Final answer
    x = 13,762.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.