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Finding the Fourth Proportional to 9,456.10, 14,184.15 and 8,872.90

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Solution

The fourth proportional to 9,456.10, 14,184.15 and 8,872.90 is: 13,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,456.10 : 14,184.15 = 8,872.90 : x
  2. Step 2: Convert to fraction form
    9,456.10/14,184.15 = 8,872.90/x
  3. Step 3: Cross multiply
    9,456.10x = 14,184.15 × 8,872.90
  4. Step 4: Simplify right side
    9,456.10x = 125,854,544.54
  5. Step 5: Solve for x
    x = 125,854,544.54/9,456.10
  6. Step 6: Final answer
    x = 13,309.35

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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.