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Finding the Fourth Proportional to 22,745.76, 34,111.02 and 8,702.52

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Solution

The fourth proportional to 22,745.76, 34,111.02 and 8,702.52 is: 13,050.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,745.76 : 34,111.02 = 8,702.52 : x
  2. Step 2: Convert to fraction form
    22,745.76/34,111.02 = 8,702.52/x
  3. Step 3: Cross multiply
    22,745.76x = 34,111.02 × 8,702.52
  4. Step 4: Simplify right side
    22,745.76x = 296,851,833.77
  5. Step 5: Solve for x
    x = 296,851,833.77/22,745.76
  6. Step 6: Final answer
    x = 13,050.86

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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.