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Finding the Fourth Proportional to 2,480.86, 3,721.18 and 632.04

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Solution

The fourth proportional to 2,480.86, 3,721.18 and 632.04 is: 948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.86 : 3,721.18 = 632.04 : x
  2. Step 2: Convert to fraction form
    2,480.86/3,721.18 = 632.04/x
  3. Step 3: Cross multiply
    2,480.86x = 3,721.18 × 632.04
  4. Step 4: Simplify right side
    2,480.86x = 2,351,934.61
  5. Step 5: Solve for x
    x = 2,351,934.61/2,480.86
  6. Step 6: Final answer
    x = 948.03

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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.