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Finding the Fourth Proportional to 59.38, 88.95 and 48.70

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Solution

The fourth proportional to 59.38, 88.95 and 48.70 is: 72.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.38 : 88.95 = 48.70 : x
  2. Step 2: Convert to fraction form
    59.38/88.95 = 48.70/x
  3. Step 3: Cross multiply
    59.38x = 88.95 × 48.70
  4. Step 4: Simplify right side
    59.38x = 4,331.87
  5. Step 5: Solve for x
    x = 4,331.87/59.38
  6. Step 6: Final answer
    x = 72.95

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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.