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Finding the Fourth Proportional to 48,695.10, 72,900.30 and 44,025.86

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Solution

The fourth proportional to 48,695.10, 72,900.30 and 44,025.86 is: 65,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,695.10 : 72,900.30 = 44,025.86 : x
  2. Step 2: Convert to fraction form
    48,695.10/72,900.30 = 44,025.86/x
  3. Step 3: Cross multiply
    48,695.10x = 72,900.30 × 44,025.86
  4. Step 4: Simplify right side
    48,695.10x = 3,209,498,401.76
  5. Step 5: Solve for x
    x = 3,209,498,401.76/48,695.10
  6. Step 6: Final answer
    x = 65,910.09

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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.