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Finding the Fourth Proportional to 61,763.26, 92,768.86 and 36,851.92

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Solution

The fourth proportional to 61,763.26, 92,768.86 and 36,851.92 is: 55,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,763.26 : 92,768.86 = 36,851.92 : x
  2. Step 2: Convert to fraction form
    61,763.26/92,768.86 = 36,851.92/x
  3. Step 3: Cross multiply
    61,763.26x = 92,768.86 × 36,851.92
  4. Step 4: Simplify right side
    61,763.26x = 3,418,710,607.21
  5. Step 5: Solve for x
    x = 3,418,710,607.21/61,763.26
  6. Step 6: Final answer
    x = 55,351.85

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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.