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Finding the Fourth Proportional to 24.95, 34.45 and 16.66

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Solution

The fourth proportional to 24.95, 34.45 and 16.66 is: 23.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.95 : 34.45 = 16.66 : x
  2. Step 2: Convert to fraction form
    24.95/34.45 = 16.66/x
  3. Step 3: Cross multiply
    24.95x = 34.45 × 16.66
  4. Step 4: Simplify right side
    24.95x = 573.81
  5. Step 5: Solve for x
    x = 573.81/24.95
  6. Step 6: Final answer
    x = 23.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.