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Finding the Fourth Proportional to 41,642.79, 57,468.41 and 22,779.92

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Solution

The fourth proportional to 41,642.79, 57,468.41 and 22,779.92 is: 31,437.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,642.79 : 57,468.41 = 22,779.92 : x
  2. Step 2: Convert to fraction form
    41,642.79/57,468.41 = 22,779.92/x
  3. Step 3: Cross multiply
    41,642.79x = 57,468.41 × 22,779.92
  4. Step 4: Simplify right side
    41,642.79x = 1,309,125,702.40
  5. Step 5: Solve for x
    x = 1,309,125,702.40/41,642.79
  6. Step 6: Final answer
    x = 31,437.03

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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.