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Finding the Fourth Proportional to 49.06, 73.12 and 46.50

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Solution

The fourth proportional to 49.06, 73.12 and 46.50 is: 69.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.06 : 73.12 = 46.50 : x
  2. Step 2: Convert to fraction form
    49.06/73.12 = 46.50/x
  3. Step 3: Cross multiply
    49.06x = 73.12 × 46.50
  4. Step 4: Simplify right side
    49.06x = 3,400.08
  5. Step 5: Solve for x
    x = 3,400.08/49.06
  6. Step 6: Final answer
    x = 69.30

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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.