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Finding the Fourth Proportional to 8,891.96, 13,339.37 and 3,345.73

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Solution

The fourth proportional to 8,891.96, 13,339.37 and 3,345.73 is: 5,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.96 : 13,339.37 = 3,345.73 : x
  2. Step 2: Convert to fraction form
    8,891.96/13,339.37 = 3,345.73/x
  3. Step 3: Cross multiply
    8,891.96x = 13,339.37 × 3,345.73
  4. Step 4: Simplify right side
    8,891.96x = 44,629,905.41
  5. Step 5: Solve for x
    x = 44,629,905.41/8,891.96
  6. Step 6: Final answer
    x = 5,019.13

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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.