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Finding the Fourth Proportional to 8,806.93, 13,211.21 and 2,883.86

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Solution

The fourth proportional to 8,806.93, 13,211.21 and 2,883.86 is: 4,326.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.93 : 13,211.21 = 2,883.86 : x
  2. Step 2: Convert to fraction form
    8,806.93/13,211.21 = 2,883.86/x
  3. Step 3: Cross multiply
    8,806.93x = 13,211.21 × 2,883.86
  4. Step 4: Simplify right side
    8,806.93x = 38,099,265.86
  5. Step 5: Solve for x
    x = 38,099,265.86/8,806.93
  6. Step 6: Final answer
    x = 4,326.06

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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.