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Finding the Fourth Proportional to 40,746.87, 61,105.72 and 22,040.73

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Solution

The fourth proportional to 40,746.87, 61,105.72 and 22,040.73 is: 33,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,746.87 : 61,105.72 = 22,040.73 : x
  2. Step 2: Convert to fraction form
    40,746.87/61,105.72 = 22,040.73/x
  3. Step 3: Cross multiply
    40,746.87x = 61,105.72 × 22,040.73
  4. Step 4: Simplify right side
    40,746.87x = 1,346,814,315.35
  5. Step 5: Solve for x
    x = 1,346,814,315.35/40,746.87
  6. Step 6: Final answer
    x = 33,053.20

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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.