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Finding the Fourth Proportional to 5,391.97, 7,442.03 and 3,500.92

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Solution

The fourth proportional to 5,391.97, 7,442.03 and 3,500.92 is: 4,831.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.97 : 7,442.03 = 3,500.92 : x
  2. Step 2: Convert to fraction form
    5,391.97/7,442.03 = 3,500.92/x
  3. Step 3: Cross multiply
    5,391.97x = 7,442.03 × 3,500.92
  4. Step 4: Simplify right side
    5,391.97x = 26,053,951.67
  5. Step 5: Solve for x
    x = 26,053,951.67/5,391.97
  6. Step 6: Final answer
    x = 4,831.99

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1.5x scale

Why These Related Problems?

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