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Finding the Fourth Proportional to 8,581.89, 11,833.64 and 7,452.86

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Solution

The fourth proportional to 8,581.89, 11,833.64 and 7,452.86 is: 10,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.89 : 11,833.64 = 7,452.86 : x
  2. Step 2: Convert to fraction form
    8,581.89/11,833.64 = 7,452.86/x
  3. Step 3: Cross multiply
    8,581.89x = 11,833.64 × 7,452.86
  4. Step 4: Simplify right side
    8,581.89x = 88,194,395.36
  5. Step 5: Solve for x
    x = 88,194,395.36/8,581.89
  6. Step 6: Final answer
    x = 10,276.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.