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Finding the Fourth Proportional to 8,866.24, 13,299.48 and 4,248.16

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Solution

The fourth proportional to 8,866.24, 13,299.48 and 4,248.16 is: 6,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.24 : 13,299.48 = 4,248.16 : x
  2. Step 2: Convert to fraction form
    8,866.24/13,299.48 = 4,248.16/x
  3. Step 3: Cross multiply
    8,866.24x = 13,299.48 × 4,248.16
  4. Step 4: Simplify right side
    8,866.24x = 56,498,318.96
  5. Step 5: Solve for x
    x = 56,498,318.96/8,866.24
  6. Step 6: Final answer
    x = 6,372.30

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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.