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Finding the Fourth Proportional to 61.49, 84.88 and 46.04

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Solution

The fourth proportional to 61.49, 84.88 and 46.04 is: 63.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.49 : 84.88 = 46.04 : x
  2. Step 2: Convert to fraction form
    61.49/84.88 = 46.04/x
  3. Step 3: Cross multiply
    61.49x = 84.88 × 46.04
  4. Step 4: Simplify right side
    61.49x = 3,907.51
  5. Step 5: Solve for x
    x = 3,907.51/61.49
  6. Step 6: Final answer
    x = 63.54

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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.