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Finding the Fourth Proportional to 61,204.48, 91,811.13 and 25,630

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Solution

The fourth proportional to 61,204.48, 91,811.13 and 25,630 is: 38,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,204.48 : 91,811.13 = 25,630 : x
  2. Step 2: Convert to fraction form
    61,204.48/91,811.13 = 25,630/x
  3. Step 3: Cross multiply
    61,204.48x = 91,811.13 × 25,630
  4. Step 4: Simplify right side
    61,204.48x = 2,353,119,261.90
  5. Step 5: Solve for x
    x = 2,353,119,261.90/61,204.48
  6. Step 6: Final answer
    x = 38,446.85

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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.