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Finding the Fourth Proportional to 91.59, 137.42 and 37.52

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Solution

The fourth proportional to 91.59, 137.42 and 37.52 is: 56.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91.59 : 137.42 = 37.52 : x
  2. Step 2: Convert to fraction form
    91.59/137.42 = 37.52/x
  3. Step 3: Cross multiply
    91.59x = 137.42 × 37.52
  4. Step 4: Simplify right side
    91.59x = 5,156.00
  5. Step 5: Solve for x
    x = 5,156.00/91.59
  6. Step 6: Final answer
    x = 56.29

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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.