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Finding the Fourth Proportional to 58.88, 88.25 and 33.16

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Solution

The fourth proportional to 58.88, 88.25 and 33.16 is: 49.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.88 : 88.25 = 33.16 : x
  2. Step 2: Convert to fraction form
    58.88/88.25 = 33.16/x
  3. Step 3: Cross multiply
    58.88x = 88.25 × 33.16
  4. Step 4: Simplify right side
    58.88x = 2,926.37
  5. Step 5: Solve for x
    x = 2,926.37/58.88
  6. Step 6: Final answer
    x = 49.70

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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.