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Finding the Fourth Proportional to 7,545.38, 11,330.84 and 4,917.38

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Solution

The fourth proportional to 7,545.38, 11,330.84 and 4,917.38 is: 7,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.38 : 11,330.84 = 4,917.38 : x
  2. Step 2: Convert to fraction form
    7,545.38/11,330.84 = 4,917.38/x
  3. Step 3: Cross multiply
    7,545.38x = 11,330.84 × 4,917.38
  4. Step 4: Simplify right side
    7,545.38x = 55,718,001.64
  5. Step 5: Solve for x
    x = 55,718,001.64/7,545.38
  6. Step 6: Final answer
    x = 7,384.39

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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.