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Finding the Fourth Proportional to 60,542.96, 90,822.38 and 20,003.01

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Solution

The fourth proportional to 60,542.96, 90,822.38 and 20,003.01 is: 30,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,542.96 : 90,822.38 = 20,003.01 : x
  2. Step 2: Convert to fraction form
    60,542.96/90,822.38 = 20,003.01/x
  3. Step 3: Cross multiply
    60,542.96x = 90,822.38 × 20,003.01
  4. Step 4: Simplify right side
    60,542.96x = 1,816,721,025.37
  5. Step 5: Solve for x
    x = 1,816,721,025.37/60,542.96
  6. Step 6: Final answer
    x = 30,007.14

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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.