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Finding the Fourth Proportional to 46.88, 70.30 and 16.02

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Solution

The fourth proportional to 46.88, 70.30 and 16.02 is: 24.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.88 : 70.30 = 16.02 : x
  2. Step 2: Convert to fraction form
    46.88/70.30 = 16.02/x
  3. Step 3: Cross multiply
    46.88x = 70.30 × 16.02
  4. Step 4: Simplify right side
    46.88x = 1,126.49
  5. Step 5: Solve for x
    x = 1,126.49/46.88
  6. Step 6: Final answer
    x = 24.03

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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.