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Finding the Fourth Proportional to 8,337.60, 12,505.56 and 2,494.20

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Solution

The fourth proportional to 8,337.60, 12,505.56 and 2,494.20 is: 3,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.60 : 12,505.56 = 2,494.20 : x
  2. Step 2: Convert to fraction form
    8,337.60/12,505.56 = 2,494.20/x
  3. Step 3: Cross multiply
    8,337.60x = 12,505.56 × 2,494.20
  4. Step 4: Simplify right side
    8,337.60x = 31,191,367.75
  5. Step 5: Solve for x
    x = 31,191,367.75/8,337.60
  6. Step 6: Final answer
    x = 3,741.05

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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.