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Finding the Fourth Proportional to 60,850.56, 91,252.80 and 25,806.72

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Solution

The fourth proportional to 60,850.56, 91,252.80 and 25,806.72 is: 38,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,850.56 : 91,252.80 = 25,806.72 : x
  2. Step 2: Convert to fraction form
    60,850.56/91,252.80 = 25,806.72/x
  3. Step 3: Cross multiply
    60,850.56x = 91,252.80 × 25,806.72
  4. Step 4: Simplify right side
    60,850.56x = 2,354,935,458.82
  5. Step 5: Solve for x
    x = 2,354,935,458.82/60,850.56
  6. Step 6: Final answer
    x = 38,700.31

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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.