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Finding the Fourth Proportional to 50.07, 74.99 and 46.11

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Solution

The fourth proportional to 50.07, 74.99 and 46.11 is: 69.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.07 : 74.99 = 46.11 : x
  2. Step 2: Convert to fraction form
    50.07/74.99 = 46.11/x
  3. Step 3: Cross multiply
    50.07x = 74.99 × 46.11
  4. Step 4: Simplify right side
    50.07x = 3,457.56
  5. Step 5: Solve for x
    x = 3,457.56/50.07
  6. Step 6: Final answer
    x = 69.05

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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.