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Finding the Fourth Proportional to 8,753.32, 13,150.86 and 7,324.12

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Solution

The fourth proportional to 8,753.32, 13,150.86 and 7,324.12 is: 11,003.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.32 : 13,150.86 = 7,324.12 : x
  2. Step 2: Convert to fraction form
    8,753.32/13,150.86 = 7,324.12/x
  3. Step 3: Cross multiply
    8,753.32x = 13,150.86 × 7,324.12
  4. Step 4: Simplify right side
    8,753.32x = 96,318,476.74
  5. Step 5: Solve for x
    x = 96,318,476.74/8,753.32
  6. Step 6: Final answer
    x = 11,003.65

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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.