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Finding the Fourth Proportional to 25, 36.98 and 24.93

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Solution

The fourth proportional to 25, 36.98 and 24.93 is: 36.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25 : 36.98 = 24.93 : x
  2. Step 2: Convert to fraction form
    25/36.98 = 24.93/x
  3. Step 3: Cross multiply
    25x = 36.98 × 24.93
  4. Step 4: Simplify right side
    25x = 921.91
  5. Step 5: Solve for x
    x = 921.91/25
  6. Step 6: Final answer
    x = 36.88

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.