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Finding the Fourth Proportional to 59, 88.29 and 55.92

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Solution

The fourth proportional to 59, 88.29 and 55.92 is: 83.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    59 : 88.29 = 55.92 : x
  2. Step 2: Convert to fraction form
    59/88.29 = 55.92/x
  3. Step 3: Cross multiply
    59x = 88.29 × 55.92
  4. Step 4: Simplify right side
    59x = 4,937.18
  5. Step 5: Solve for x
    x = 4,937.18/59
  6. Step 6: Final answer
    x = 83.68

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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.