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Finding the Fourth Proportional to 18,256.68, 27,255.33 and 17,608.68

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Solution

The fourth proportional to 18,256.68, 27,255.33 and 17,608.68 is: 26,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.68 : 27,255.33 = 17,608.68 : x
  2. Step 2: Convert to fraction form
    18,256.68/27,255.33 = 17,608.68/x
  3. Step 3: Cross multiply
    18,256.68x = 27,255.33 × 17,608.68
  4. Step 4: Simplify right side
    18,256.68x = 479,930,384.26
  5. Step 5: Solve for x
    x = 479,930,384.26/18,256.68
  6. Step 6: Final answer
    x = 26,287.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.