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Finding the Fourth Proportional to 1,758, 2,424.72 and 1,479.72

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Solution

The fourth proportional to 1,758, 2,424.72 and 1,479.72 is: 2,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758 : 2,424.72 = 1,479.72 : x
  2. Step 2: Convert to fraction form
    1,758/2,424.72 = 1,479.72/x
  3. Step 3: Cross multiply
    1,758x = 2,424.72 × 1,479.72
  4. Step 4: Simplify right side
    1,758x = 3,587,906.68
  5. Step 5: Solve for x
    x = 3,587,906.68/1,758
  6. Step 6: Final answer
    x = 2,040.90

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