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Finding the Fourth Proportional to 46.70, 64.46 and 44.18

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Solution

The fourth proportional to 46.70, 64.46 and 44.18 is: 60.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.70 : 64.46 = 44.18 : x
  2. Step 2: Convert to fraction form
    46.70/64.46 = 44.18/x
  3. Step 3: Cross multiply
    46.70x = 64.46 × 44.18
  4. Step 4: Simplify right side
    46.70x = 2,848.11
  5. Step 5: Solve for x
    x = 2,848.11/46.70
  6. Step 6: Final answer
    x = 60.99

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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.