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Finding the Fourth Proportional to 6,379.59, 9,545.34 and 5,732.13

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Solution

The fourth proportional to 6,379.59, 9,545.34 and 5,732.13 is: 8,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.59 : 9,545.34 = 5,732.13 : x
  2. Step 2: Convert to fraction form
    6,379.59/9,545.34 = 5,732.13/x
  3. Step 3: Cross multiply
    6,379.59x = 9,545.34 × 5,732.13
  4. Step 4: Simplify right side
    6,379.59x = 54,715,187.06
  5. Step 5: Solve for x
    x = 54,715,187.06/6,379.59
  6. Step 6: Final answer
    x = 8,576.59

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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.