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Finding the Fourth Proportional to 46.03, 69.06 and 40.84

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Solution

The fourth proportional to 46.03, 69.06 and 40.84 is: 61.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.03 : 69.06 = 40.84 : x
  2. Step 2: Convert to fraction form
    46.03/69.06 = 40.84/x
  3. Step 3: Cross multiply
    46.03x = 69.06 × 40.84
  4. Step 4: Simplify right side
    46.03x = 2,820.41
  5. Step 5: Solve for x
    x = 2,820.41/46.03
  6. Step 6: Final answer
    x = 61.27

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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.