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Finding the Fourth Proportional to 46.02, 68.70 and 41.46

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Solution

The fourth proportional to 46.02, 68.70 and 41.46 is: 61.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.02 : 68.70 = 41.46 : x
  2. Step 2: Convert to fraction form
    46.02/68.70 = 41.46/x
  3. Step 3: Cross multiply
    46.02x = 68.70 × 41.46
  4. Step 4: Simplify right side
    46.02x = 2,848.30
  5. Step 5: Solve for x
    x = 2,848.30/46.02
  6. Step 6: Final answer
    x = 61.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.