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Finding the Fourth Proportional to 2,335.57, 3,502.85 and 948.54

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Solution

The fourth proportional to 2,335.57, 3,502.85 and 948.54 is: 1,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.57 : 3,502.85 = 948.54 : x
  2. Step 2: Convert to fraction form
    2,335.57/3,502.85 = 948.54/x
  3. Step 3: Cross multiply
    2,335.57x = 3,502.85 × 948.54
  4. Step 4: Simplify right side
    2,335.57x = 3,322,601.73
  5. Step 5: Solve for x
    x = 3,322,601.73/2,335.57
  6. Step 6: Final answer
    x = 1,422.61

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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.