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Finding the Fourth Proportional to 8,833.65, 12,201.26 and 6,605.44

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Solution

The fourth proportional to 8,833.65, 12,201.26 and 6,605.44 is: 9,123.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.65 : 12,201.26 = 6,605.44 : x
  2. Step 2: Convert to fraction form
    8,833.65/12,201.26 = 6,605.44/x
  3. Step 3: Cross multiply
    8,833.65x = 12,201.26 × 6,605.44
  4. Step 4: Simplify right side
    8,833.65x = 80,594,627.32
  5. Step 5: Solve for x
    x = 80,594,627.32/8,833.65
  6. Step 6: Final answer
    x = 9,123.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.