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Finding the Fourth Proportional to 8,866.13, 13,299.20 and 2,710.13

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Solution

The fourth proportional to 8,866.13, 13,299.20 and 2,710.13 is: 4,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.13 : 13,299.20 = 2,710.13 : x
  2. Step 2: Convert to fraction form
    8,866.13/13,299.20 = 2,710.13/x
  3. Step 3: Cross multiply
    8,866.13x = 13,299.20 × 2,710.13
  4. Step 4: Simplify right side
    8,866.13x = 36,042,560.90
  5. Step 5: Solve for x
    x = 36,042,560.90/8,866.13
  6. Step 6: Final answer
    x = 4,065.20

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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.