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Finding the Fourth Proportional to 59.11, 88.48 and 41.02

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Solution

The fourth proportional to 59.11, 88.48 and 41.02 is: 61.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.11 : 88.48 = 41.02 : x
  2. Step 2: Convert to fraction form
    59.11/88.48 = 41.02/x
  3. Step 3: Cross multiply
    59.11x = 88.48 × 41.02
  4. Step 4: Simplify right side
    59.11x = 3,629.45
  5. Step 5: Solve for x
    x = 3,629.45/59.11
  6. Step 6: Final answer
    x = 61.40

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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.