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Finding the Fourth Proportional to 4,981.91, 7,472.86 and 2,348.80

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Solution

The fourth proportional to 4,981.91, 7,472.86 and 2,348.80 is: 3,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.91 : 7,472.86 = 2,348.80 : x
  2. Step 2: Convert to fraction form
    4,981.91/7,472.86 = 2,348.80/x
  3. Step 3: Cross multiply
    4,981.91x = 7,472.86 × 2,348.80
  4. Step 4: Simplify right side
    4,981.91x = 17,552,229.01
  5. Step 5: Solve for x
    x = 17,552,229.01/4,981.91
  6. Step 6: Final answer
    x = 3,523.20

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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.