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Finding the Fourth Proportional to 41,602.80, 57,411.90 and 22,739.93

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Solution

The fourth proportional to 41,602.80, 57,411.90 and 22,739.93 is: 31,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,602.80 : 57,411.90 = 22,739.93 : x
  2. Step 2: Convert to fraction form
    41,602.80/57,411.90 = 22,739.93/x
  3. Step 3: Cross multiply
    41,602.80x = 57,411.90 × 22,739.93
  4. Step 4: Simplify right side
    41,602.80x = 1,305,542,587.17
  5. Step 5: Solve for x
    x = 1,305,542,587.17/41,602.80
  6. Step 6: Final answer
    x = 31,381.12

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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.