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Finding the Fourth Proportional to 48,745.66, 67,264.92 and 28,600.42

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Solution

The fourth proportional to 48,745.66, 67,264.92 and 28,600.42 is: 39,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,745.66 : 67,264.92 = 28,600.42 : x
  2. Step 2: Convert to fraction form
    48,745.66/67,264.92 = 28,600.42/x
  3. Step 3: Cross multiply
    48,745.66x = 67,264.92 × 28,600.42
  4. Step 4: Simplify right side
    48,745.66x = 1,923,804,963.27
  5. Step 5: Solve for x
    x = 1,923,804,963.27/48,745.66
  6. Step 6: Final answer
    x = 39,466.18

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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.