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Finding the Fourth Proportional to 46.37, 69.53 and 15.93

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Solution

The fourth proportional to 46.37, 69.53 and 15.93 is: 23.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.37 : 69.53 = 15.93 : x
  2. Step 2: Convert to fraction form
    46.37/69.53 = 15.93/x
  3. Step 3: Cross multiply
    46.37x = 69.53 × 15.93
  4. Step 4: Simplify right side
    46.37x = 1,107.61
  5. Step 5: Solve for x
    x = 1,107.61/46.37
  6. Step 6: Final answer
    x = 23.89

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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.