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Finding the Fourth Proportional to 48.99, 73.50 and 23.29

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Solution

The fourth proportional to 48.99, 73.50 and 23.29 is: 34.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.99 : 73.50 = 23.29 : x
  2. Step 2: Convert to fraction form
    48.99/73.50 = 23.29/x
  3. Step 3: Cross multiply
    48.99x = 73.50 × 23.29
  4. Step 4: Simplify right side
    48.99x = 1,711.82
  5. Step 5: Solve for x
    x = 1,711.82/48.99
  6. Step 6: Final answer
    x = 34.94

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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.