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Finding the Fourth Proportional to 57,960.89, 86,812.88 and 44,535.06

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Solution

The fourth proportional to 57,960.89, 86,812.88 and 44,535.06 is: 66,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,960.89 : 86,812.88 = 44,535.06 : x
  2. Step 2: Convert to fraction form
    57,960.89/86,812.88 = 44,535.06/x
  3. Step 3: Cross multiply
    57,960.89x = 86,812.88 × 44,535.06
  4. Step 4: Simplify right side
    57,960.89x = 3,866,216,819.57
  5. Step 5: Solve for x
    x = 3,866,216,819.57/57,960.89
  6. Step 6: Final answer
    x = 66,703.89

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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.