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Finding the Fourth Proportional to 58.97, 88.49 and 33.31

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Solution

The fourth proportional to 58.97, 88.49 and 33.31 is: 49.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.97 : 88.49 = 33.31 : x
  2. Step 2: Convert to fraction form
    58.97/88.49 = 33.31/x
  3. Step 3: Cross multiply
    58.97x = 88.49 × 33.31
  4. Step 4: Simplify right side
    58.97x = 2,947.60
  5. Step 5: Solve for x
    x = 2,947.60/58.97
  6. Step 6: Final answer
    x = 49.98

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Why These Related Problems?

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