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Finding the Fourth Proportional to 8,862.16, 13,293.24 and 3,671.68

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Solution

The fourth proportional to 8,862.16, 13,293.24 and 3,671.68 is: 5,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.16 : 13,293.24 = 3,671.68 : x
  2. Step 2: Convert to fraction form
    8,862.16/13,293.24 = 3,671.68/x
  3. Step 3: Cross multiply
    8,862.16x = 13,293.24 × 3,671.68
  4. Step 4: Simplify right side
    8,862.16x = 48,808,523.44
  5. Step 5: Solve for x
    x = 48,808,523.44/8,862.16
  6. Step 6: Final answer
    x = 5,507.52

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Double scale
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Similar ratio
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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.