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Finding the Fourth Proportional to 58.69, 88.03 and 38.44

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Solution

The fourth proportional to 58.69, 88.03 and 38.44 is: 57.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.69 : 88.03 = 38.44 : x
  2. Step 2: Convert to fraction form
    58.69/88.03 = 38.44/x
  3. Step 3: Cross multiply
    58.69x = 88.03 × 38.44
  4. Step 4: Simplify right side
    58.69x = 3,383.34
  5. Step 5: Solve for x
    x = 3,383.34/58.69
  6. Step 6: Final answer
    x = 57.65

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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.