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Finding the Fourth Proportional to 73.32, 110 and 58.24

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Solution

The fourth proportional to 73.32, 110 and 58.24 is: 87.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.32 : 110 = 58.24 : x
  2. Step 2: Convert to fraction form
    73.32/110 = 58.24/x
  3. Step 3: Cross multiply
    73.32x = 110 × 58.24
  4. Step 4: Simplify right side
    73.32x = 6,406.40
  5. Step 5: Solve for x
    x = 6,406.40/73.32
  6. Step 6: Final answer
    x = 87.38

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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.