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Finding the Fourth Proportional to 25.49, 37.79 and 24.95

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Solution

The fourth proportional to 25.49, 37.79 and 24.95 is: 36.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.49 : 37.79 = 24.95 : x
  2. Step 2: Convert to fraction form
    25.49/37.79 = 24.95/x
  3. Step 3: Cross multiply
    25.49x = 37.79 × 24.95
  4. Step 4: Simplify right side
    25.49x = 942.86
  5. Step 5: Solve for x
    x = 942.86/25.49
  6. Step 6: Final answer
    x = 36.99

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1.5x scale

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.