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Finding the Fourth Proportional to 48.41, 66.78 and 32.01

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Solution

The fourth proportional to 48.41, 66.78 and 32.01 is: 44.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.41 : 66.78 = 32.01 : x
  2. Step 2: Convert to fraction form
    48.41/66.78 = 32.01/x
  3. Step 3: Cross multiply
    48.41x = 66.78 × 32.01
  4. Step 4: Simplify right side
    48.41x = 2,137.63
  5. Step 5: Solve for x
    x = 2,137.63/48.41
  6. Step 6: Final answer
    x = 44.16

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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.