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Finding the Fourth Proportional to 49.95, 75.04 and 46.53

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Solution

The fourth proportional to 49.95, 75.04 and 46.53 is: 69.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.95 : 75.04 = 46.53 : x
  2. Step 2: Convert to fraction form
    49.95/75.04 = 46.53/x
  3. Step 3: Cross multiply
    49.95x = 75.04 × 46.53
  4. Step 4: Simplify right side
    49.95x = 3,491.49
  5. Step 5: Solve for x
    x = 3,491.49/49.95
  6. Step 6: Final answer
    x = 69.90

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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.