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Finding the Fourth Proportional to 52.44, 72.39 and 34.04

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Solution

The fourth proportional to 52.44, 72.39 and 34.04 is: 47.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.44 : 72.39 = 34.04 : x
  2. Step 2: Convert to fraction form
    52.44/72.39 = 34.04/x
  3. Step 3: Cross multiply
    52.44x = 72.39 × 34.04
  4. Step 4: Simplify right side
    52.44x = 2,464.46
  5. Step 5: Solve for x
    x = 2,464.46/52.44
  6. Step 6: Final answer
    x = 47.00

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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.