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Finding the Fourth Proportional to 16,545.70, 24,818.55 and 7,329.70

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Solution

The fourth proportional to 16,545.70, 24,818.55 and 7,329.70 is: 10,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545.70 : 24,818.55 = 7,329.70 : x
  2. Step 2: Convert to fraction form
    16,545.70/24,818.55 = 7,329.70/x
  3. Step 3: Cross multiply
    16,545.70x = 24,818.55 × 7,329.70
  4. Step 4: Simplify right side
    16,545.70x = 181,912,525.94
  5. Step 5: Solve for x
    x = 181,912,525.94/16,545.70
  6. Step 6: Final answer
    x = 10,994.55

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Similar ratio
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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.