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Finding the Fourth Proportional to 24.49, 36.70 and 13.07

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Solution

The fourth proportional to 24.49, 36.70 and 13.07 is: 19.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.49 : 36.70 = 13.07 : x
  2. Step 2: Convert to fraction form
    24.49/36.70 = 13.07/x
  3. Step 3: Cross multiply
    24.49x = 36.70 × 13.07
  4. Step 4: Simplify right side
    24.49x = 479.42
  5. Step 5: Solve for x
    x = 479.42/24.49
  6. Step 6: Final answer
    x = 19.58

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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.