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Finding the Fourth Proportional to 61,260.84, 91,876.66 and 23,819.40

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Solution

The fourth proportional to 61,260.84, 91,876.66 and 23,819.40 is: 35,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,260.84 : 91,876.66 = 23,819.40 : x
  2. Step 2: Convert to fraction form
    61,260.84/91,876.66 = 23,819.40/x
  3. Step 3: Cross multiply
    61,260.84x = 91,876.66 × 23,819.40
  4. Step 4: Simplify right side
    61,260.84x = 2,188,446,915.20
  5. Step 5: Solve for x
    x = 2,188,446,915.20/61,260.84
  6. Step 6: Final answer
    x = 35,723.42

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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.