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Finding the Fourth Proportional to 60,993.28, 91,414.56 and 36,008

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Solution

The fourth proportional to 60,993.28, 91,414.56 and 36,008 is: 53,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,993.28 : 91,414.56 = 36,008 : x
  2. Step 2: Convert to fraction form
    60,993.28/91,414.56 = 36,008/x
  3. Step 3: Cross multiply
    60,993.28x = 91,414.56 × 36,008
  4. Step 4: Simplify right side
    60,993.28x = 3,291,655,476.48
  5. Step 5: Solve for x
    x = 3,291,655,476.48/60,993.28
  6. Step 6: Final answer
    x = 53,967.51

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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.