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Finding the Fourth Proportional to 46.74, 70.19 and 44.99

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Solution

The fourth proportional to 46.74, 70.19 and 44.99 is: 67.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.74 : 70.19 = 44.99 : x
  2. Step 2: Convert to fraction form
    46.74/70.19 = 44.99/x
  3. Step 3: Cross multiply
    46.74x = 70.19 × 44.99
  4. Step 4: Simplify right side
    46.74x = 3,157.27
  5. Step 5: Solve for x
    x = 3,157.27/46.74
  6. Step 6: Final answer
    x = 67.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.