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Finding the Fourth Proportional to 24,128.68, 33,279.78 and 15,169

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Solution

The fourth proportional to 24,128.68, 33,279.78 and 15,169 is: 20,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,128.68 : 33,279.78 = 15,169 : x
  2. Step 2: Convert to fraction form
    24,128.68/33,279.78 = 15,169/x
  3. Step 3: Cross multiply
    24,128.68x = 33,279.78 × 15,169
  4. Step 4: Simplify right side
    24,128.68x = 504,820,982.82
  5. Step 5: Solve for x
    x = 504,820,982.82/24,128.68
  6. Step 6: Final answer
    x = 20,922.03

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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.