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Finding the Fourth Proportional to 62.57, 93.34 and 58.25

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Solution

The fourth proportional to 62.57, 93.34 and 58.25 is: 86.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.57 : 93.34 = 58.25 : x
  2. Step 2: Convert to fraction form
    62.57/93.34 = 58.25/x
  3. Step 3: Cross multiply
    62.57x = 93.34 × 58.25
  4. Step 4: Simplify right side
    62.57x = 5,437.06
  5. Step 5: Solve for x
    x = 5,437.06/62.57
  6. Step 6: Final answer
    x = 86.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.