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Finding the Fourth Proportional to 11,432.72, 17,149.08 and 8,837.48

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Solution

The fourth proportional to 11,432.72, 17,149.08 and 8,837.48 is: 13,256.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.72 : 17,149.08 = 8,837.48 : x
  2. Step 2: Convert to fraction form
    11,432.72/17,149.08 = 8,837.48/x
  3. Step 3: Cross multiply
    11,432.72x = 17,149.08 × 8,837.48
  4. Step 4: Simplify right side
    11,432.72x = 151,554,651.52
  5. Step 5: Solve for x
    x = 151,554,651.52/11,432.72
  6. Step 6: Final answer
    x = 13,256.22

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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.