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Finding the Fourth Proportional to 39,967.41, 55,154.73 and 22,062.41

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Solution

The fourth proportional to 39,967.41, 55,154.73 and 22,062.41 is: 30,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.41 : 55,154.73 = 22,062.41 : x
  2. Step 2: Convert to fraction form
    39,967.41/55,154.73 = 22,062.41/x
  3. Step 3: Cross multiply
    39,967.41x = 55,154.73 × 22,062.41
  4. Step 4: Simplify right side
    39,967.41x = 1,216,845,990.93
  5. Step 5: Solve for x
    x = 1,216,845,990.93/39,967.41
  6. Step 6: Final answer
    x = 30,445.96

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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.