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Finding the Fourth Proportional to 60.13, 82.91 and 55.04

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Solution

The fourth proportional to 60.13, 82.91 and 55.04 is: 75.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.13 : 82.91 = 55.04 : x
  2. Step 2: Convert to fraction form
    60.13/82.91 = 55.04/x
  3. Step 3: Cross multiply
    60.13x = 82.91 × 55.04
  4. Step 4: Simplify right side
    60.13x = 4,563.37
  5. Step 5: Solve for x
    x = 4,563.37/60.13
  6. Step 6: Final answer
    x = 75.89

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