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Finding the Fourth Proportional to 6,660.92, 9,984.90 and 3,732.86

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Solution

The fourth proportional to 6,660.92, 9,984.90 and 3,732.86 is: 5,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.92 : 9,984.90 = 3,732.86 : x
  2. Step 2: Convert to fraction form
    6,660.92/9,984.90 = 3,732.86/x
  3. Step 3: Cross multiply
    6,660.92x = 9,984.90 × 3,732.86
  4. Step 4: Simplify right side
    6,660.92x = 37,272,233.81
  5. Step 5: Solve for x
    x = 37,272,233.81/6,660.92
  6. Step 6: Final answer
    x = 5,595.66

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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.