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Finding the Fourth Proportional to 8,949.50, 13,417.25 and 5,655.69

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Solution

The fourth proportional to 8,949.50, 13,417.25 and 5,655.69 is: 8,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.50 : 13,417.25 = 5,655.69 : x
  2. Step 2: Convert to fraction form
    8,949.50/13,417.25 = 5,655.69/x
  3. Step 3: Cross multiply
    8,949.50x = 13,417.25 × 5,655.69
  4. Step 4: Simplify right side
    8,949.50x = 75,883,778.37
  5. Step 5: Solve for x
    x = 75,883,778.37/8,949.50
  6. Step 6: Final answer
    x = 8,479.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.