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Finding the Fourth Proportional to 70,013.98, 104,954.52 and 27,919.90

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Solution

The fourth proportional to 70,013.98, 104,954.52 and 27,919.90 is: 41,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,013.98 : 104,954.52 = 27,919.90 : x
  2. Step 2: Convert to fraction form
    70,013.98/104,954.52 = 27,919.90/x
  3. Step 3: Cross multiply
    70,013.98x = 104,954.52 × 27,919.90
  4. Step 4: Simplify right side
    70,013.98x = 2,930,319,702.95
  5. Step 5: Solve for x
    x = 2,930,319,702.95/70,013.98
  6. Step 6: Final answer
    x = 41,853.35

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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.