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Finding the Fourth Proportional to 66.97, 92.46 and 46.00

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Solution

The fourth proportional to 66.97, 92.46 and 46.00 is: 63.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66.97 : 92.46 = 46.00 : x
  2. Step 2: Convert to fraction form
    66.97/92.46 = 46.00/x
  3. Step 3: Cross multiply
    66.97x = 92.46 × 46.00
  4. Step 4: Simplify right side
    66.97x = 4,253.10
  5. Step 5: Solve for x
    x = 4,253.10/66.97
  6. Step 6: Final answer
    x = 63.50

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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.