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Finding the Fourth Proportional to 74,594.25, 111,891.38 and 25,346.25

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Solution

The fourth proportional to 74,594.25, 111,891.38 and 25,346.25 is: 38,019.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,594.25 : 111,891.38 = 25,346.25 : x
  2. Step 2: Convert to fraction form
    74,594.25/111,891.38 = 25,346.25/x
  3. Step 3: Cross multiply
    74,594.25x = 111,891.38 × 25,346.25
  4. Step 4: Simplify right side
    74,594.25x = 2,836,026,763.59
  5. Step 5: Solve for x
    x = 2,836,026,763.59/74,594.25
  6. Step 6: Final answer
    x = 38,019.38

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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.