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Finding the Fourth Proportional to 8,497.81, 12,746.72 and 2,654.92

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Solution

The fourth proportional to 8,497.81, 12,746.72 and 2,654.92 is: 3,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.81 : 12,746.72 = 2,654.92 : x
  2. Step 2: Convert to fraction form
    8,497.81/12,746.72 = 2,654.92/x
  3. Step 3: Cross multiply
    8,497.81x = 12,746.72 × 2,654.92
  4. Step 4: Simplify right side
    8,497.81x = 33,841,521.86
  5. Step 5: Solve for x
    x = 33,841,521.86/8,497.81
  6. Step 6: Final answer
    x = 3,982.38

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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.