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Finding the Fourth Proportional to 48,751.80, 72,985.14 and 44,082.54

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Solution

The fourth proportional to 48,751.80, 72,985.14 and 44,082.54 is: 65,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,751.80 : 72,985.14 = 44,082.54 : x
  2. Step 2: Convert to fraction form
    48,751.80/72,985.14 = 44,082.54/x
  3. Step 3: Cross multiply
    48,751.80x = 72,985.14 × 44,082.54
  4. Step 4: Simplify right side
    48,751.80x = 3,217,370,353.46
  5. Step 5: Solve for x
    x = 3,217,370,353.46/48,751.80
  6. Step 6: Final answer
    x = 65,994.90

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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.