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Finding the Fourth Proportional to 54.83, 75.46 and 46.07

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Solution

The fourth proportional to 54.83, 75.46 and 46.07 is: 63.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.83 : 75.46 = 46.07 : x
  2. Step 2: Convert to fraction form
    54.83/75.46 = 46.07/x
  3. Step 3: Cross multiply
    54.83x = 75.46 × 46.07
  4. Step 4: Simplify right side
    54.83x = 3,476.44
  5. Step 5: Solve for x
    x = 3,476.44/54.83
  6. Step 6: Final answer
    x = 63.40

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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.