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Finding the Fourth Proportional to 46.50, 63.71 and 46.08

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Solution

The fourth proportional to 46.50, 63.71 and 46.08 is: 63.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.50 : 63.71 = 46.08 : x
  2. Step 2: Convert to fraction form
    46.50/63.71 = 46.08/x
  3. Step 3: Cross multiply
    46.50x = 63.71 × 46.08
  4. Step 4: Simplify right side
    46.50x = 2,935.53
  5. Step 5: Solve for x
    x = 2,935.53/46.50
  6. Step 6: Final answer
    x = 63.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.