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Finding the Fourth Proportional to 8,897.91, 13,348.41 and 3,967.44

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Solution

The fourth proportional to 8,897.91, 13,348.41 and 3,967.44 is: 5,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.91 : 13,348.41 = 3,967.44 : x
  2. Step 2: Convert to fraction form
    8,897.91/13,348.41 = 3,967.44/x
  3. Step 3: Cross multiply
    8,897.91x = 13,348.41 × 3,967.44
  4. Step 4: Simplify right side
    8,897.91x = 52,959,015.77
  5. Step 5: Solve for x
    x = 52,959,015.77/8,897.91
  6. Step 6: Final answer
    x = 5,951.85

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1.5x scale

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.