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Finding the Fourth Proportional to 40,412.20, 60,610.20 and 19,352.20

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Solution

The fourth proportional to 40,412.20, 60,610.20 and 19,352.20 is: 29,024.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,412.20 : 60,610.20 = 19,352.20 : x
  2. Step 2: Convert to fraction form
    40,412.20/60,610.20 = 19,352.20/x
  3. Step 3: Cross multiply
    40,412.20x = 60,610.20 × 19,352.20
  4. Step 4: Simplify right side
    40,412.20x = 1,172,940,712.44
  5. Step 5: Solve for x
    x = 1,172,940,712.44/40,412.20
  6. Step 6: Final answer
    x = 29,024.42

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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.