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Finding the Fourth Proportional to 9,879.27, 14,799.71 and 8,827.68

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Solution

The fourth proportional to 9,879.27, 14,799.71 and 8,827.68 is: 13,224.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.27 : 14,799.71 = 8,827.68 : x
  2. Step 2: Convert to fraction form
    9,879.27/14,799.71 = 8,827.68/x
  3. Step 3: Cross multiply
    9,879.27x = 14,799.71 × 8,827.68
  4. Step 4: Simplify right side
    9,879.27x = 130,647,181.54
  5. Step 5: Solve for x
    x = 130,647,181.54/9,879.27
  6. Step 6: Final answer
    x = 13,224.38

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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.