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Finding the Fourth Proportional to 8,843.51, 13,211.76 and 5,697.87

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Solution

The fourth proportional to 8,843.51, 13,211.76 and 5,697.87 is: 8,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.51 : 13,211.76 = 5,697.87 : x
  2. Step 2: Convert to fraction form
    8,843.51/13,211.76 = 5,697.87/x
  3. Step 3: Cross multiply
    8,843.51x = 13,211.76 × 5,697.87
  4. Step 4: Simplify right side
    8,843.51x = 75,278,890.95
  5. Step 5: Solve for x
    x = 75,278,890.95/8,843.51
  6. Step 6: Final answer
    x = 8,512.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.