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Finding the Fourth Proportional to 5,697.62, 8,541.15 and 2,918.17

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Solution

The fourth proportional to 5,697.62, 8,541.15 and 2,918.17 is: 4,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.62 : 8,541.15 = 2,918.17 : x
  2. Step 2: Convert to fraction form
    5,697.62/8,541.15 = 2,918.17/x
  3. Step 3: Cross multiply
    5,697.62x = 8,541.15 × 2,918.17
  4. Step 4: Simplify right side
    5,697.62x = 24,924,527.70
  5. Step 5: Solve for x
    x = 24,924,527.70/5,697.62
  6. Step 6: Final answer
    x = 4,374.55

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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.