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Finding the Fourth Proportional to 5,908.57, 8,864.11 and 2,948.60

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Solution

The fourth proportional to 5,908.57, 8,864.11 and 2,948.60 is: 4,423.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.57 : 8,864.11 = 2,948.60 : x
  2. Step 2: Convert to fraction form
    5,908.57/8,864.11 = 2,948.60/x
  3. Step 3: Cross multiply
    5,908.57x = 8,864.11 × 2,948.60
  4. Step 4: Simplify right side
    5,908.57x = 26,136,714.75
  5. Step 5: Solve for x
    x = 26,136,714.75/5,908.57
  6. Step 6: Final answer
    x = 4,423.53

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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.