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Finding the Fourth Proportional to 2,517.32, 3,776.02 and 762.34

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Solution

The fourth proportional to 2,517.32, 3,776.02 and 762.34 is: 1,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.32 : 3,776.02 = 762.34 : x
  2. Step 2: Convert to fraction form
    2,517.32/3,776.02 = 762.34/x
  3. Step 3: Cross multiply
    2,517.32x = 3,776.02 × 762.34
  4. Step 4: Simplify right side
    2,517.32x = 2,878,599.74
  5. Step 5: Solve for x
    x = 2,878,599.74/2,517.32
  6. Step 6: Final answer
    x = 1,143.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.