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Finding the Fourth Proportional to 26,908.60, 40,266.90 and 17,052.60

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Solution

The fourth proportional to 26,908.60, 40,266.90 and 17,052.60 is: 25,518.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908.60 : 40,266.90 = 17,052.60 : x
  2. Step 2: Convert to fraction form
    26,908.60/40,266.90 = 17,052.60/x
  3. Step 3: Cross multiply
    26,908.60x = 40,266.90 × 17,052.60
  4. Step 4: Simplify right side
    26,908.60x = 686,655,338.94
  5. Step 5: Solve for x
    x = 686,655,338.94/26,908.60
  6. Step 6: Final answer
    x = 25,518.06

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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.