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Finding the Fourth Proportional to 61.58, 84.88 and 46.01

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Solution

The fourth proportional to 61.58, 84.88 and 46.01 is: 63.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.58 : 84.88 = 46.01 : x
  2. Step 2: Convert to fraction form
    61.58/84.88 = 46.01/x
  3. Step 3: Cross multiply
    61.58x = 84.88 × 46.01
  4. Step 4: Simplify right side
    61.58x = 3,905.10
  5. Step 5: Solve for x
    x = 3,905.10/61.58
  6. Step 6: Final answer
    x = 63.42

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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.