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Finding the Fourth Proportional to 60,041.68, 90,067.02 and 17,918.44

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Solution

The fourth proportional to 60,041.68, 90,067.02 and 17,918.44 is: 26,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,041.68 : 90,067.02 = 17,918.44 : x
  2. Step 2: Convert to fraction form
    60,041.68/90,067.02 = 17,918.44/x
  3. Step 3: Cross multiply
    60,041.68x = 90,067.02 × 17,918.44
  4. Step 4: Simplify right side
    60,041.68x = 1,613,860,493.85
  5. Step 5: Solve for x
    x = 1,613,860,493.85/60,041.68
  6. Step 6: Final answer
    x = 26,879.00

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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.