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Finding the Fourth Proportional to 48,865.70, 73,298.55 and 44,345.90

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Solution

The fourth proportional to 48,865.70, 73,298.55 and 44,345.90 is: 66,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,865.70 : 73,298.55 = 44,345.90 : x
  2. Step 2: Convert to fraction form
    48,865.70/73,298.55 = 44,345.90/x
  3. Step 3: Cross multiply
    48,865.70x = 73,298.55 × 44,345.90
  4. Step 4: Simplify right side
    48,865.70x = 3,250,490,168.45
  5. Step 5: Solve for x
    x = 3,250,490,168.45/48,865.70
  6. Step 6: Final answer
    x = 66,518.85

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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.