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Finding the Fourth Proportional to 8,374.62, 12,558.96 and 2,449.92

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Solution

The fourth proportional to 8,374.62, 12,558.96 and 2,449.92 is: 3,674.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.62 : 12,558.96 = 2,449.92 : x
  2. Step 2: Convert to fraction form
    8,374.62/12,558.96 = 2,449.92/x
  3. Step 3: Cross multiply
    8,374.62x = 12,558.96 × 2,449.92
  4. Step 4: Simplify right side
    8,374.62x = 30,768,447.28
  5. Step 5: Solve for x
    x = 30,768,447.28/8,374.62
  6. Step 6: Final answer
    x = 3,674.01

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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.