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Finding the Fourth Proportional to 3,758.32, 5,637.41 and 1,293.15

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Solution

The fourth proportional to 3,758.32, 5,637.41 and 1,293.15 is: 1,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.32 : 5,637.41 = 1,293.15 : x
  2. Step 2: Convert to fraction form
    3,758.32/5,637.41 = 1,293.15/x
  3. Step 3: Cross multiply
    3,758.32x = 5,637.41 × 1,293.15
  4. Step 4: Simplify right side
    3,758.32x = 7,290,016.74
  5. Step 5: Solve for x
    x = 7,290,016.74/3,758.32
  6. Step 6: Final answer
    x = 1,939.70

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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.