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Finding the Fourth Proportional to 2,498.32, 3,747.48 and 959.68

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Solution

The fourth proportional to 2,498.32, 3,747.48 and 959.68 is: 1,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,498.32 : 3,747.48 = 959.68 : x
  2. Step 2: Convert to fraction form
    2,498.32/3,747.48 = 959.68/x
  3. Step 3: Cross multiply
    2,498.32x = 3,747.48 × 959.68
  4. Step 4: Simplify right side
    2,498.32x = 3,596,381.61
  5. Step 5: Solve for x
    x = 3,596,381.61/2,498.32
  6. Step 6: Final answer
    x = 1,439.52

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1.5x scale

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.