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Finding the Fourth Proportional to 26,012, 35,885.12 and 15,251.38

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Solution

The fourth proportional to 26,012, 35,885.12 and 15,251.38 is: 21,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,012 : 35,885.12 = 15,251.38 : x
  2. Step 2: Convert to fraction form
    26,012/35,885.12 = 15,251.38/x
  3. Step 3: Cross multiply
    26,012x = 35,885.12 × 15,251.38
  4. Step 4: Simplify right side
    26,012x = 547,297,601.47
  5. Step 5: Solve for x
    x = 547,297,601.47/26,012
  6. Step 6: Final answer
    x = 21,040.20

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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.