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Finding the Fourth Proportional to 3,761.64, 5,652.68 and 2,007.87

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Solution

The fourth proportional to 3,761.64, 5,652.68 and 2,007.87 is: 3,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.64 : 5,652.68 = 2,007.87 : x
  2. Step 2: Convert to fraction form
    3,761.64/5,652.68 = 2,007.87/x
  3. Step 3: Cross multiply
    3,761.64x = 5,652.68 × 2,007.87
  4. Step 4: Simplify right side
    3,761.64x = 11,349,808.29
  5. Step 5: Solve for x
    x = 11,349,808.29/3,761.64
  6. Step 6: Final answer
    x = 3,017.25

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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.