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Finding the Fourth Proportional to 54.06, 74.52 and 46.14

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Solution

The fourth proportional to 54.06, 74.52 and 46.14 is: 63.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.06 : 74.52 = 46.14 : x
  2. Step 2: Convert to fraction form
    54.06/74.52 = 46.14/x
  3. Step 3: Cross multiply
    54.06x = 74.52 × 46.14
  4. Step 4: Simplify right side
    54.06x = 3,438.35
  5. Step 5: Solve for x
    x = 3,438.35/54.06
  6. Step 6: Final answer
    x = 63.60

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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.