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Finding the Fourth Proportional to 61,377.76, 92,067.87 and 19,256.95

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Solution

The fourth proportional to 61,377.76, 92,067.87 and 19,256.95 is: 28,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,377.76 : 92,067.87 = 19,256.95 : x
  2. Step 2: Convert to fraction form
    61,377.76/92,067.87 = 19,256.95/x
  3. Step 3: Cross multiply
    61,377.76x = 92,067.87 × 19,256.95
  4. Step 4: Simplify right side
    61,377.76x = 1,772,946,369.20
  5. Step 5: Solve for x
    x = 1,772,946,369.20/61,377.76
  6. Step 6: Final answer
    x = 28,885.81

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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.