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Finding the Fourth Proportional to 58.97, 88.49 and 46.15

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Solution

The fourth proportional to 58.97, 88.49 and 46.15 is: 69.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.97 : 88.49 = 46.15 : x
  2. Step 2: Convert to fraction form
    58.97/88.49 = 46.15/x
  3. Step 3: Cross multiply
    58.97x = 88.49 × 46.15
  4. Step 4: Simplify right side
    58.97x = 4,083.73
  5. Step 5: Solve for x
    x = 4,083.73/58.97
  6. Step 6: Final answer
    x = 69.26

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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.