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Finding the Fourth Proportional to 46.13, 69.19 and 14.06

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Solution

The fourth proportional to 46.13, 69.19 and 14.06 is: 21.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.13 : 69.19 = 14.06 : x
  2. Step 2: Convert to fraction form
    46.13/69.19 = 14.06/x
  3. Step 3: Cross multiply
    46.13x = 69.19 × 14.06
  4. Step 4: Simplify right side
    46.13x = 972.95
  5. Step 5: Solve for x
    x = 972.95/46.13
  6. Step 6: Final answer
    x = 21.09

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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.