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Finding the Fourth Proportional to 10,169.68, 15,255.96 and 3,593.68

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Solution

The fourth proportional to 10,169.68, 15,255.96 and 3,593.68 is: 5,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.68 : 15,255.96 = 3,593.68 : x
  2. Step 2: Convert to fraction form
    10,169.68/15,255.96 = 3,593.68/x
  3. Step 3: Cross multiply
    10,169.68x = 15,255.96 × 3,593.68
  4. Step 4: Simplify right side
    10,169.68x = 54,825,038.33
  5. Step 5: Solve for x
    x = 54,825,038.33/10,169.68
  6. Step 6: Final answer
    x = 5,391.03

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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.