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Finding the Fourth Proportional to 22,696.02, 33,971.02 and 12,139.63

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Solution

The fourth proportional to 22,696.02, 33,971.02 and 12,139.63 is: 18,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,696.02 : 33,971.02 = 12,139.63 : x
  2. Step 2: Convert to fraction form
    22,696.02/33,971.02 = 12,139.63/x
  3. Step 3: Cross multiply
    22,696.02x = 33,971.02 × 12,139.63
  4. Step 4: Simplify right side
    22,696.02x = 412,395,613.52
  5. Step 5: Solve for x
    x = 412,395,613.52/22,696.02
  6. Step 6: Final answer
    x = 18,170.39

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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.