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Finding the Fourth Proportional to 3,742.64, 5,162.52 and 2,995.76

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Solution

The fourth proportional to 3,742.64, 5,162.52 and 2,995.76 is: 4,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.64 : 5,162.52 = 2,995.76 : x
  2. Step 2: Convert to fraction form
    3,742.64/5,162.52 = 2,995.76/x
  3. Step 3: Cross multiply
    3,742.64x = 5,162.52 × 2,995.76
  4. Step 4: Simplify right side
    3,742.64x = 15,465,670.92
  5. Step 5: Solve for x
    x = 15,465,670.92/3,742.64
  6. Step 6: Final answer
    x = 4,132.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.