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Finding the Fourth Proportional to 16,363.68, 24,545.52 and 7,129.68

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Solution

The fourth proportional to 16,363.68, 24,545.52 and 7,129.68 is: 10,694.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,363.68 : 24,545.52 = 7,129.68 : x
  2. Step 2: Convert to fraction form
    16,363.68/24,545.52 = 7,129.68/x
  3. Step 3: Cross multiply
    16,363.68x = 24,545.52 × 7,129.68
  4. Step 4: Simplify right side
    16,363.68x = 175,001,703.03
  5. Step 5: Solve for x
    x = 175,001,703.03/16,363.68
  6. Step 6: Final answer
    x = 10,694.52

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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.