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Finding the Fourth Proportional to 46.16, 63.70 and 26.49

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Solution

The fourth proportional to 46.16, 63.70 and 26.49 is: 36.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.16 : 63.70 = 26.49 : x
  2. Step 2: Convert to fraction form
    46.16/63.70 = 26.49/x
  3. Step 3: Cross multiply
    46.16x = 63.70 × 26.49
  4. Step 4: Simplify right side
    46.16x = 1,687.36
  5. Step 5: Solve for x
    x = 1,687.36/46.16
  6. Step 6: Final answer
    x = 36.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.