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Finding the Fourth Proportional to 24.70, 37.04 and 12.68

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Solution

The fourth proportional to 24.70, 37.04 and 12.68 is: 19.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.70 : 37.04 = 12.68 : x
  2. Step 2: Convert to fraction form
    24.70/37.04 = 12.68/x
  3. Step 3: Cross multiply
    24.70x = 37.04 × 12.68
  4. Step 4: Simplify right side
    24.70x = 469.67
  5. Step 5: Solve for x
    x = 469.67/24.70
  6. Step 6: Final answer
    x = 19.01

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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.