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Finding the Fourth Proportional to 40,105.89, 55,360.71 and 23,338.89

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Solution

The fourth proportional to 40,105.89, 55,360.71 and 23,338.89 is: 32,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,105.89 : 55,360.71 = 23,338.89 : x
  2. Step 2: Convert to fraction form
    40,105.89/55,360.71 = 23,338.89/x
  3. Step 3: Cross multiply
    40,105.89x = 55,360.71 × 23,338.89
  4. Step 4: Simplify right side
    40,105.89x = 1,292,057,521.01
  5. Step 5: Solve for x
    x = 1,292,057,521.01/40,105.89
  6. Step 6: Final answer
    x = 32,216.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.