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Finding the Fourth Proportional to 40,301.79, 60,452.60 and 10,719.65

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Solution

The fourth proportional to 40,301.79, 60,452.60 and 10,719.65 is: 16,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,301.79 : 60,452.60 = 10,719.65 : x
  2. Step 2: Convert to fraction form
    40,301.79/60,452.60 = 10,719.65/x
  3. Step 3: Cross multiply
    40,301.79x = 60,452.60 × 10,719.65
  4. Step 4: Simplify right side
    40,301.79x = 648,030,357.73
  5. Step 5: Solve for x
    x = 648,030,357.73/40,301.79
  6. Step 6: Final answer
    x = 16,079.44

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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.