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Finding the Fourth Proportional to 5,913.38, 8,876.22 and 4,355.15

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Solution

The fourth proportional to 5,913.38, 8,876.22 and 4,355.15 is: 6,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.38 : 8,876.22 = 4,355.15 : x
  2. Step 2: Convert to fraction form
    5,913.38/8,876.22 = 4,355.15/x
  3. Step 3: Cross multiply
    5,913.38x = 8,876.22 × 4,355.15
  4. Step 4: Simplify right side
    5,913.38x = 38,657,245.57
  5. Step 5: Solve for x
    x = 38,657,245.57/5,913.38
  6. Step 6: Final answer
    x = 6,537.25

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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.