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Finding the Fourth Proportional to 8,367.90, 11,547.72 and 4,591.10

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Solution

The fourth proportional to 8,367.90, 11,547.72 and 4,591.10 is: 6,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.90 : 11,547.72 = 4,591.10 : x
  2. Step 2: Convert to fraction form
    8,367.90/11,547.72 = 4,591.10/x
  3. Step 3: Cross multiply
    8,367.90x = 11,547.72 × 4,591.10
  4. Step 4: Simplify right side
    8,367.90x = 53,016,737.29
  5. Step 5: Solve for x
    x = 53,016,737.29/8,367.90
  6. Step 6: Final answer
    x = 6,335.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.