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Finding the Fourth Proportional to 46.48, 69.66 and 35.03

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Solution

The fourth proportional to 46.48, 69.66 and 35.03 is: 52.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.48 : 69.66 = 35.03 : x
  2. Step 2: Convert to fraction form
    46.48/69.66 = 35.03/x
  3. Step 3: Cross multiply
    46.48x = 69.66 × 35.03
  4. Step 4: Simplify right side
    46.48x = 2,439.84
  5. Step 5: Solve for x
    x = 2,439.84/46.48
  6. Step 6: Final answer
    x = 52.50

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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.