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Finding the Fourth Proportional to 48,615.30, 72,836.55 and 41,703.30

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Solution

The fourth proportional to 48,615.30, 72,836.55 and 41,703.30 is: 62,480.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,615.30 : 72,836.55 = 41,703.30 : x
  2. Step 2: Convert to fraction form
    48,615.30/72,836.55 = 41,703.30/x
  3. Step 3: Cross multiply
    48,615.30x = 72,836.55 × 41,703.30
  4. Step 4: Simplify right side
    48,615.30x = 3,037,524,495.62
  5. Step 5: Solve for x
    x = 3,037,524,495.62/48,615.30
  6. Step 6: Final answer
    x = 62,480.83

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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.