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Finding the Fourth Proportional to 48.04, 66.36 and 35.17

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Solution

The fourth proportional to 48.04, 66.36 and 35.17 is: 48.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.04 : 66.36 = 35.17 : x
  2. Step 2: Convert to fraction form
    48.04/66.36 = 35.17/x
  3. Step 3: Cross multiply
    48.04x = 66.36 × 35.17
  4. Step 4: Simplify right side
    48.04x = 2,333.88
  5. Step 5: Solve for x
    x = 2,333.88/48.04
  6. Step 6: Final answer
    x = 48.58

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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.