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Finding the Fourth Proportional to 52,998.28, 79,324.34 and 38,954.60

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Solution

The fourth proportional to 52,998.28, 79,324.34 and 38,954.60 is: 58,304.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,998.28 : 79,324.34 = 38,954.60 : x
  2. Step 2: Convert to fraction form
    52,998.28/79,324.34 = 38,954.60/x
  3. Step 3: Cross multiply
    52,998.28x = 79,324.34 × 38,954.60
  4. Step 4: Simplify right side
    52,998.28x = 3,090,047,934.96
  5. Step 5: Solve for x
    x = 3,090,047,934.96/52,998.28
  6. Step 6: Final answer
    x = 58,304.68

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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.