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Finding the Fourth Proportional to 61,797.26, 92,695.89 and 28,507.48

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Solution

The fourth proportional to 61,797.26, 92,695.89 and 28,507.48 is: 42,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,797.26 : 92,695.89 = 28,507.48 : x
  2. Step 2: Convert to fraction form
    61,797.26/92,695.89 = 28,507.48/x
  3. Step 3: Cross multiply
    61,797.26x = 92,695.89 × 28,507.48
  4. Step 4: Simplify right side
    61,797.26x = 2,642,526,105.42
  5. Step 5: Solve for x
    x = 2,642,526,105.42/61,797.26
  6. Step 6: Final answer
    x = 42,761.22

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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.