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Finding the Fourth Proportional to 62, 93.47 and 58.69

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Solution

The fourth proportional to 62, 93.47 and 58.69 is: 88.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62 : 93.47 = 58.69 : x
  2. Step 2: Convert to fraction form
    62/93.47 = 58.69/x
  3. Step 3: Cross multiply
    62x = 93.47 × 58.69
  4. Step 4: Simplify right side
    62x = 5,485.75
  5. Step 5: Solve for x
    x = 5,485.75/62
  6. Step 6: Final answer
    x = 88.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.