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Finding the Fourth Proportional to 50.01, 74.58 and 43.62

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Solution

The fourth proportional to 50.01, 74.58 and 43.62 is: 65.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.01 : 74.58 = 43.62 : x
  2. Step 2: Convert to fraction form
    50.01/74.58 = 43.62/x
  3. Step 3: Cross multiply
    50.01x = 74.58 × 43.62
  4. Step 4: Simplify right side
    50.01x = 3,253.18
  5. Step 5: Solve for x
    x = 3,253.18/50.01
  6. Step 6: Final answer
    x = 65.05

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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.