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Finding the Fourth Proportional to 59.94, 89.56 and 48.97

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Solution

The fourth proportional to 59.94, 89.56 and 48.97 is: 73.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.94 : 89.56 = 48.97 : x
  2. Step 2: Convert to fraction form
    59.94/89.56 = 48.97/x
  3. Step 3: Cross multiply
    59.94x = 89.56 × 48.97
  4. Step 4: Simplify right side
    59.94x = 4,385.75
  5. Step 5: Solve for x
    x = 4,385.75/59.94
  6. Step 6: Final answer
    x = 73.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.