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Finding the Fourth Proportional to 58.82, 88.72 and 58.82

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Solution

The fourth proportional to 58.82, 88.72 and 58.82 is: 88.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.82 : 88.72 = 58.82 : x
  2. Step 2: Convert to fraction form
    58.82/88.72 = 58.82/x
  3. Step 3: Cross multiply
    58.82x = 88.72 × 58.82
  4. Step 4: Simplify right side
    58.82x = 5,217.92
  5. Step 5: Solve for x
    x = 5,217.92/58.82
  6. Step 6: Final answer
    x = 88.72

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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.