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Finding the Fourth Proportional to 23,060.76, 34,591.92 and 7,478.52

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Solution

The fourth proportional to 23,060.76, 34,591.92 and 7,478.52 is: 11,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,060.76 : 34,591.92 = 7,478.52 : x
  2. Step 2: Convert to fraction form
    23,060.76/34,591.92 = 7,478.52/x
  3. Step 3: Cross multiply
    23,060.76x = 34,591.92 × 7,478.52
  4. Step 4: Simplify right side
    23,060.76x = 258,696,365.56
  5. Step 5: Solve for x
    x = 258,696,365.56/23,060.76
  6. Step 6: Final answer
    x = 11,218.03

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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.