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Finding the Fourth Proportional to 40,452.99, 60,679.78 and 12,373.54

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Solution

The fourth proportional to 40,452.99, 60,679.78 and 12,373.54 is: 18,560.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,452.99 : 60,679.78 = 12,373.54 : x
  2. Step 2: Convert to fraction form
    40,452.99/60,679.78 = 12,373.54/x
  3. Step 3: Cross multiply
    40,452.99x = 60,679.78 × 12,373.54
  4. Step 4: Simplify right side
    40,452.99x = 750,823,913.31
  5. Step 5: Solve for x
    x = 750,823,913.31/40,452.99
  6. Step 6: Final answer
    x = 18,560.41

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1.5x scale

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.