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Finding the Fourth Proportional to 48,325.40, 72,633.90 and 41,910.20

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Solution

The fourth proportional to 48,325.40, 72,633.90 and 41,910.20 is: 62,991.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,325.40 : 72,633.90 = 41,910.20 : x
  2. Step 2: Convert to fraction form
    48,325.40/72,633.90 = 41,910.20/x
  3. Step 3: Cross multiply
    48,325.40x = 72,633.90 × 41,910.20
  4. Step 4: Simplify right side
    48,325.40x = 3,044,101,275.78
  5. Step 5: Solve for x
    x = 3,044,101,275.78/48,325.40
  6. Step 6: Final answer
    x = 62,991.75

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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.