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Finding the Fourth Proportional to 35.31, 52.88 and 24.45

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Solution

The fourth proportional to 35.31, 52.88 and 24.45 is: 36.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.31 : 52.88 = 24.45 : x
  2. Step 2: Convert to fraction form
    35.31/52.88 = 24.45/x
  3. Step 3: Cross multiply
    35.31x = 52.88 × 24.45
  4. Step 4: Simplify right side
    35.31x = 1,292.53
  5. Step 5: Solve for x
    x = 1,292.53/35.31
  6. Step 6: Final answer
    x = 36.61

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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.