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Finding the Fourth Proportional to 61.32, 92.02 and 59.06

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Solution

The fourth proportional to 61.32, 92.02 and 59.06 is: 88.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.32 : 92.02 = 59.06 : x
  2. Step 2: Convert to fraction form
    61.32/92.02 = 59.06/x
  3. Step 3: Cross multiply
    61.32x = 92.02 × 59.06
  4. Step 4: Simplify right side
    61.32x = 5,434.70
  5. Step 5: Solve for x
    x = 5,434.70/61.32
  6. Step 6: Final answer
    x = 88.63

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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.