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Finding the Fourth Proportional to 14,645.88, 21,939.49 and 6,737.55

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Solution

The fourth proportional to 14,645.88, 21,939.49 and 6,737.55 is: 10,092.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.88 : 21,939.49 = 6,737.55 : x
  2. Step 2: Convert to fraction form
    14,645.88/21,939.49 = 6,737.55/x
  3. Step 3: Cross multiply
    14,645.88x = 21,939.49 × 6,737.55
  4. Step 4: Simplify right side
    14,645.88x = 147,818,337.00
  5. Step 5: Solve for x
    x = 147,818,337.00/14,645.88
  6. Step 6: Final answer
    x = 10,092.83

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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.