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Finding the Fourth Proportional to 26,919.29, 40,102.69 and 25,704.87

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Solution

The fourth proportional to 26,919.29, 40,102.69 and 25,704.87 is: 38,293.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,919.29 : 40,102.69 = 25,704.87 : x
  2. Step 2: Convert to fraction form
    26,919.29/40,102.69 = 25,704.87/x
  3. Step 3: Cross multiply
    26,919.29x = 40,102.69 × 25,704.87
  4. Step 4: Simplify right side
    26,919.29x = 1,030,834,266.65
  5. Step 5: Solve for x
    x = 1,030,834,266.65/26,919.29
  6. Step 6: Final answer
    x = 38,293.52

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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.