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Finding the Fourth Proportional to 14,521.68, 21,747.43 and 8,262.73

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Solution

The fourth proportional to 14,521.68, 21,747.43 and 8,262.73 is: 12,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.68 : 21,747.43 = 8,262.73 : x
  2. Step 2: Convert to fraction form
    14,521.68/21,747.43 = 8,262.73/x
  3. Step 3: Cross multiply
    14,521.68x = 21,747.43 × 8,262.73
  4. Step 4: Simplify right side
    14,521.68x = 179,693,139.02
  5. Step 5: Solve for x
    x = 179,693,139.02/14,521.68
  6. Step 6: Final answer
    x = 12,374.13

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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.