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Finding the Fourth Proportional to 57,645.76, 86,470.80 and 26,049.76

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Solution

The fourth proportional to 57,645.76, 86,470.80 and 26,049.76 is: 39,075.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,645.76 : 86,470.80 = 26,049.76 : x
  2. Step 2: Convert to fraction form
    57,645.76/86,470.80 = 26,049.76/x
  3. Step 3: Cross multiply
    57,645.76x = 86,470.80 × 26,049.76
  4. Step 4: Simplify right side
    57,645.76x = 2,252,543,587.01
  5. Step 5: Solve for x
    x = 2,252,543,587.01/57,645.76
  6. Step 6: Final answer
    x = 39,075.62

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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.