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Finding the Fourth Proportional to 67,050, 100,587.96 and 25,493.76

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Solution

The fourth proportional to 67,050, 100,587.96 and 25,493.76 is: 38,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,050 : 100,587.96 = 25,493.76 : x
  2. Step 2: Convert to fraction form
    67,050/100,587.96 = 25,493.76/x
  3. Step 3: Cross multiply
    67,050x = 100,587.96 × 25,493.76
  4. Step 4: Simplify right side
    67,050x = 2,564,365,311.13
  5. Step 5: Solve for x
    x = 2,564,365,311.13/67,050
  6. Step 6: Final answer
    x = 38,245.57

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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.