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Finding the Fourth Proportional to 58,659.75, 80,650.70 and 52,225.11

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Solution

The fourth proportional to 58,659.75, 80,650.70 and 52,225.11 is: 71,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,659.75 : 80,650.70 = 52,225.11 : x
  2. Step 2: Convert to fraction form
    58,659.75/80,650.70 = 52,225.11/x
  3. Step 3: Cross multiply
    58,659.75x = 80,650.70 × 52,225.11
  4. Step 4: Simplify right side
    58,659.75x = 4,211,991,679.08
  5. Step 5: Solve for x
    x = 4,211,991,679.08/58,659.75
  6. Step 6: Final answer
    x = 71,803.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.