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Finding the Fourth Proportional to 8,891.26, 13,345.26 and 4,511.86

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Solution

The fourth proportional to 8,891.26, 13,345.26 and 4,511.86 is: 6,772.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.26 : 13,345.26 = 4,511.86 : x
  2. Step 2: Convert to fraction form
    8,891.26/13,345.26 = 4,511.86/x
  3. Step 3: Cross multiply
    8,891.26x = 13,345.26 × 4,511.86
  4. Step 4: Simplify right side
    8,891.26x = 60,211,944.78
  5. Step 5: Solve for x
    x = 60,211,944.78/8,891.26
  6. Step 6: Final answer
    x = 6,772.04

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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.