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Finding the Fourth Proportional to 40,591, 60,904.74 and 25,796.08

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Solution

The fourth proportional to 40,591, 60,904.74 and 25,796.08 is: 38,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,591 : 60,904.74 = 25,796.08 : x
  2. Step 2: Convert to fraction form
    40,591/60,904.74 = 25,796.08/x
  3. Step 3: Cross multiply
    40,591x = 60,904.74 × 25,796.08
  4. Step 4: Simplify right side
    40,591x = 1,571,103,545.42
  5. Step 5: Solve for x
    x = 1,571,103,545.42/40,591
  6. Step 6: Final answer
    x = 38,705.71

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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.