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Finding the Fourth Proportional to 7,545.38, 11,375.94 and 7,037.18

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Solution

The fourth proportional to 7,545.38, 11,375.94 and 7,037.18 is: 10,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.38 : 11,375.94 = 7,037.18 : x
  2. Step 2: Convert to fraction form
    7,545.38/11,375.94 = 7,037.18/x
  3. Step 3: Cross multiply
    7,545.38x = 11,375.94 × 7,037.18
  4. Step 4: Simplify right side
    7,545.38x = 80,054,537.45
  5. Step 5: Solve for x
    x = 80,054,537.45/7,545.38
  6. Step 6: Final answer
    x = 10,609.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.