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Finding the Fourth Proportional to 8,404.02, 12,606.12 and 5,500.76

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Solution

The fourth proportional to 8,404.02, 12,606.12 and 5,500.76 is: 8,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.02 : 12,606.12 = 5,500.76 : x
  2. Step 2: Convert to fraction form
    8,404.02/12,606.12 = 5,500.76/x
  3. Step 3: Cross multiply
    8,404.02x = 12,606.12 × 5,500.76
  4. Step 4: Simplify right side
    8,404.02x = 69,343,177.62
  5. Step 5: Solve for x
    x = 69,343,177.62/8,404.02
  6. Step 6: Final answer
    x = 8,251.19

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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.