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Finding the Fourth Proportional to 75.98, 113.99 and 37.46

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Solution

The fourth proportional to 75.98, 113.99 and 37.46 is: 56.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.98 : 113.99 = 37.46 : x
  2. Step 2: Convert to fraction form
    75.98/113.99 = 37.46/x
  3. Step 3: Cross multiply
    75.98x = 113.99 × 37.46
  4. Step 4: Simplify right side
    75.98x = 4,269.31
  5. Step 5: Solve for x
    x = 4,269.31/75.98
  6. Step 6: Final answer
    x = 56.19

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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.