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Finding the Fourth Proportional to 46.66, 70.03 and 16.23

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Solution

The fourth proportional to 46.66, 70.03 and 16.23 is: 24.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.66 : 70.03 = 16.23 : x
  2. Step 2: Convert to fraction form
    46.66/70.03 = 16.23/x
  3. Step 3: Cross multiply
    46.66x = 70.03 × 16.23
  4. Step 4: Simplify right side
    46.66x = 1,136.51
  5. Step 5: Solve for x
    x = 1,136.51/46.66
  6. Step 6: Final answer
    x = 24.36

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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.