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Finding the Fourth Proportional to 61,969.62, 92,902.66 and 28,713.56

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Solution

The fourth proportional to 61,969.62, 92,902.66 and 28,713.56 is: 43,046.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,969.62 : 92,902.66 = 28,713.56 : x
  2. Step 2: Convert to fraction form
    61,969.62/92,902.66 = 28,713.56/x
  3. Step 3: Cross multiply
    61,969.62x = 92,902.66 × 28,713.56
  4. Step 4: Simplify right side
    61,969.62x = 2,667,566,102.07
  5. Step 5: Solve for x
    x = 2,667,566,102.07/61,969.62
  6. Step 6: Final answer
    x = 43,046.35

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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.