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Finding the Fourth Proportional to 40,712.16, 61,067.76 and 22,944.16

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Solution

The fourth proportional to 40,712.16, 61,067.76 and 22,944.16 is: 34,415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,712.16 : 61,067.76 = 22,944.16 : x
  2. Step 2: Convert to fraction form
    40,712.16/61,067.76 = 22,944.16/x
  3. Step 3: Cross multiply
    40,712.16x = 61,067.76 × 22,944.16
  4. Step 4: Simplify right side
    40,712.16x = 1,401,148,456.28
  5. Step 5: Solve for x
    x = 1,401,148,456.28/40,712.16
  6. Step 6: Final answer
    x = 34,415.97

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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.