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Finding the Fourth Proportional to 8,366.63, 12,549.74 and 3,432.92

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Solution

The fourth proportional to 8,366.63, 12,549.74 and 3,432.92 is: 5,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.63 : 12,549.74 = 3,432.92 : x
  2. Step 2: Convert to fraction form
    8,366.63/12,549.74 = 3,432.92/x
  3. Step 3: Cross multiply
    8,366.63x = 12,549.74 × 3,432.92
  4. Step 4: Simplify right side
    8,366.63x = 43,082,173.53
  5. Step 5: Solve for x
    x = 43,082,173.53/8,366.63
  6. Step 6: Final answer
    x = 5,149.29

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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.