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Finding the Fourth Proportional to 5,871.62, 8,807.43 and 1,489.10

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Solution

The fourth proportional to 5,871.62, 8,807.43 and 1,489.10 is: 2,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.62 : 8,807.43 = 1,489.10 : x
  2. Step 2: Convert to fraction form
    5,871.62/8,807.43 = 1,489.10/x
  3. Step 3: Cross multiply
    5,871.62x = 8,807.43 × 1,489.10
  4. Step 4: Simplify right side
    5,871.62x = 13,115,171.62
  5. Step 5: Solve for x
    x = 13,115,171.62/5,871.62
  6. Step 6: Final answer
    x = 2,233.65

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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.