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Finding the Fourth Proportional to 92.99, 139.48 and 24.52

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Solution

The fourth proportional to 92.99, 139.48 and 24.52 is: 36.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.99 : 139.48 = 24.52 : x
  2. Step 2: Convert to fraction form
    92.99/139.48 = 24.52/x
  3. Step 3: Cross multiply
    92.99x = 139.48 × 24.52
  4. Step 4: Simplify right side
    92.99x = 3,419.64
  5. Step 5: Solve for x
    x = 3,419.64/92.99
  6. Step 6: Final answer
    x = 36.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.