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Finding the Fourth Proportional to 58.52, 88.17 and 52.82

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Solution

The fourth proportional to 58.52, 88.17 and 52.82 is: 79.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.52 : 88.17 = 52.82 : x
  2. Step 2: Convert to fraction form
    58.52/88.17 = 52.82/x
  3. Step 3: Cross multiply
    58.52x = 88.17 × 52.82
  4. Step 4: Simplify right side
    58.52x = 4,657.14
  5. Step 5: Solve for x
    x = 4,657.14/58.52
  6. Step 6: Final answer
    x = 79.58

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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.