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Finding the Fourth Proportional to 67,763.02, 101,605.11 and 25,646.35

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Solution

The fourth proportional to 67,763.02, 101,605.11 and 25,646.35 is: 38,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,763.02 : 101,605.11 = 25,646.35 : x
  2. Step 2: Convert to fraction form
    67,763.02/101,605.11 = 25,646.35/x
  3. Step 3: Cross multiply
    67,763.02x = 101,605.11 × 25,646.35
  4. Step 4: Simplify right side
    67,763.02x = 2,605,800,212.85
  5. Step 5: Solve for x
    x = 2,605,800,212.85/67,763.02
  6. Step 6: Final answer
    x = 38,454.61

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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.