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Finding the Fourth Proportional to 8,854.60, 13,290.11 and 4,475.14

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Solution

The fourth proportional to 8,854.60, 13,290.11 and 4,475.14 is: 6,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.60 : 13,290.11 = 4,475.14 : x
  2. Step 2: Convert to fraction form
    8,854.60/13,290.11 = 4,475.14/x
  3. Step 3: Cross multiply
    8,854.60x = 13,290.11 × 4,475.14
  4. Step 4: Simplify right side
    8,854.60x = 59,475,102.87
  5. Step 5: Solve for x
    x = 59,475,102.87/8,854.60
  6. Step 6: Final answer
    x = 6,716.86

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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.