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Finding the Fourth Proportional to 48.26, 66.51 and 35.93

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Solution

The fourth proportional to 48.26, 66.51 and 35.93 is: 49.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.26 : 66.51 = 35.93 : x
  2. Step 2: Convert to fraction form
    48.26/66.51 = 35.93/x
  3. Step 3: Cross multiply
    48.26x = 66.51 × 35.93
  4. Step 4: Simplify right side
    48.26x = 2,389.87
  5. Step 5: Solve for x
    x = 2,389.87/48.26
  6. Step 6: Final answer
    x = 49.52

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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.