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Finding the Fourth Proportional to 82.97, 124.50 and 37.34

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Solution

The fourth proportional to 82.97, 124.50 and 37.34 is: 56.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.97 : 124.50 = 37.34 : x
  2. Step 2: Convert to fraction form
    82.97/124.50 = 37.34/x
  3. Step 3: Cross multiply
    82.97x = 124.50 × 37.34
  4. Step 4: Simplify right side
    82.97x = 4,648.21
  5. Step 5: Solve for x
    x = 4,648.21/82.97
  6. Step 6: Final answer
    x = 56.03

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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.