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Finding the Fourth Proportional to 8,863.74, 13,294.80 and 2,707.74

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Solution

The fourth proportional to 8,863.74, 13,294.80 and 2,707.74 is: 4,061.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.74 : 13,294.80 = 2,707.74 : x
  2. Step 2: Convert to fraction form
    8,863.74/13,294.80 = 2,707.74/x
  3. Step 3: Cross multiply
    8,863.74x = 13,294.80 × 2,707.74
  4. Step 4: Simplify right side
    8,863.74x = 35,998,861.75
  5. Step 5: Solve for x
    x = 35,998,861.75/8,863.74
  6. Step 6: Final answer
    x = 4,061.36

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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.