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Finding the Fourth Proportional to 73.48, 110 and 46.34

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Solution

The fourth proportional to 73.48, 110 and 46.34 is: 69.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.48 : 110 = 46.34 : x
  2. Step 2: Convert to fraction form
    73.48/110 = 46.34/x
  3. Step 3: Cross multiply
    73.48x = 110 × 46.34
  4. Step 4: Simplify right side
    73.48x = 5,097.40
  5. Step 5: Solve for x
    x = 5,097.40/73.48
  6. Step 6: Final answer
    x = 69.37

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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.