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Finding the Fourth Proportional to 60.44, 90.09 and 59.58

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Solution

The fourth proportional to 60.44, 90.09 and 59.58 is: 88.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.44 : 90.09 = 59.58 : x
  2. Step 2: Convert to fraction form
    60.44/90.09 = 59.58/x
  3. Step 3: Cross multiply
    60.44x = 90.09 × 59.58
  4. Step 4: Simplify right side
    60.44x = 5,367.56
  5. Step 5: Solve for x
    x = 5,367.56/60.44
  6. Step 6: Final answer
    x = 88.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.