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Finding the Fourth Proportional to 74,920.68, 112,365.77 and 27,519.48

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Solution

The fourth proportional to 74,920.68, 112,365.77 and 27,519.48 is: 41,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,920.68 : 112,365.77 = 27,519.48 : x
  2. Step 2: Convert to fraction form
    74,920.68/112,365.77 = 27,519.48/x
  3. Step 3: Cross multiply
    74,920.68x = 112,365.77 × 27,519.48
  4. Step 4: Simplify right side
    74,920.68x = 3,092,247,422.60
  5. Step 5: Solve for x
    x = 3,092,247,422.60/74,920.68
  6. Step 6: Final answer
    x = 41,273.62

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1.5x scale

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.