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Finding the Fourth Proportional to 34.70, 52.01 and 15.46

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Solution

The fourth proportional to 34.70, 52.01 and 15.46 is: 23.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.70 : 52.01 = 15.46 : x
  2. Step 2: Convert to fraction form
    34.70/52.01 = 15.46/x
  3. Step 3: Cross multiply
    34.70x = 52.01 × 15.46
  4. Step 4: Simplify right side
    34.70x = 804.07
  5. Step 5: Solve for x
    x = 804.07/34.70
  6. Step 6: Final answer
    x = 23.17

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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.