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Finding the Fourth Proportional to 59.29, 88.94 and 55.46

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Solution

The fourth proportional to 59.29, 88.94 and 55.46 is: 83.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.29 : 88.94 = 55.46 : x
  2. Step 2: Convert to fraction form
    59.29/88.94 = 55.46/x
  3. Step 3: Cross multiply
    59.29x = 88.94 × 55.46
  4. Step 4: Simplify right side
    59.29x = 4,932.97
  5. Step 5: Solve for x
    x = 4,932.97/59.29
  6. Step 6: Final answer
    x = 83.20

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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.