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Finding the Fourth Proportional to 8,876.67, 13,324.20 and 6,539.29

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Solution

The fourth proportional to 8,876.67, 13,324.20 and 6,539.29 is: 9,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.67 : 13,324.20 = 6,539.29 : x
  2. Step 2: Convert to fraction form
    8,876.67/13,324.20 = 6,539.29/x
  3. Step 3: Cross multiply
    8,876.67x = 13,324.20 × 6,539.29
  4. Step 4: Simplify right side
    8,876.67x = 87,130,807.82
  5. Step 5: Solve for x
    x = 87,130,807.82/8,876.67
  6. Step 6: Final answer
    x = 9,815.71

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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.