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Finding the Fourth Proportional to 46.62, 64.35 and 36.93

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Solution

The fourth proportional to 46.62, 64.35 and 36.93 is: 50.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.62 : 64.35 = 36.93 : x
  2. Step 2: Convert to fraction form
    46.62/64.35 = 36.93/x
  3. Step 3: Cross multiply
    46.62x = 64.35 × 36.93
  4. Step 4: Simplify right side
    46.62x = 2,376.45
  5. Step 5: Solve for x
    x = 2,376.45/46.62
  6. Step 6: Final answer
    x = 50.97

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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.