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Finding the Fourth Proportional to 26.64, 39.75 and 24.93

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Solution

The fourth proportional to 26.64, 39.75 and 24.93 is: 37.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.64 : 39.75 = 24.93 : x
  2. Step 2: Convert to fraction form
    26.64/39.75 = 24.93/x
  3. Step 3: Cross multiply
    26.64x = 39.75 × 24.93
  4. Step 4: Simplify right side
    26.64x = 990.97
  5. Step 5: Solve for x
    x = 990.97/26.64
  6. Step 6: Final answer
    x = 37.20

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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.