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Finding the Fourth Proportional to 71.09, 106.59 and 32.52

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Solution

The fourth proportional to 71.09, 106.59 and 32.52 is: 48.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71.09 : 106.59 = 32.52 : x
  2. Step 2: Convert to fraction form
    71.09/106.59 = 32.52/x
  3. Step 3: Cross multiply
    71.09x = 106.59 × 32.52
  4. Step 4: Simplify right side
    71.09x = 3,466.25
  5. Step 5: Solve for x
    x = 3,466.25/71.09
  6. Step 6: Final answer
    x = 48.76

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