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Finding the Fourth Proportional to 26.13, 39.40 and 24.54

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Solution

The fourth proportional to 26.13, 39.40 and 24.54 is: 37.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.13 : 39.40 = 24.54 : x
  2. Step 2: Convert to fraction form
    26.13/39.40 = 24.54/x
  3. Step 3: Cross multiply
    26.13x = 39.40 × 24.54
  4. Step 4: Simplify right side
    26.13x = 966.88
  5. Step 5: Solve for x
    x = 966.88/26.13
  6. Step 6: Final answer
    x = 37.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.