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Finding the Fourth Proportional to 5,687.39, 8,532.77 and 2,916.01

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Solution

The fourth proportional to 5,687.39, 8,532.77 and 2,916.01 is: 4,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.39 : 8,532.77 = 2,916.01 : x
  2. Step 2: Convert to fraction form
    5,687.39/8,532.77 = 2,916.01/x
  3. Step 3: Cross multiply
    5,687.39x = 8,532.77 × 2,916.01
  4. Step 4: Simplify right side
    5,687.39x = 24,881,642.65
  5. Step 5: Solve for x
    x = 24,881,642.65/5,687.39
  6. Step 6: Final answer
    x = 4,374.88

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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.