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Finding the Fourth Proportional to 11,452.68, 15,801.96 and 6,669.72

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Solution

The fourth proportional to 11,452.68, 15,801.96 and 6,669.72 is: 9,202.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,452.68 : 15,801.96 = 6,669.72 : x
  2. Step 2: Convert to fraction form
    11,452.68/15,801.96 = 6,669.72/x
  3. Step 3: Cross multiply
    11,452.68x = 15,801.96 × 6,669.72
  4. Step 4: Simplify right side
    11,452.68x = 105,394,648.65
  5. Step 5: Solve for x
    x = 105,394,648.65/11,452.68
  6. Step 6: Final answer
    x = 9,202.62

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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.