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Finding the Fourth Proportional to 48,993.99, 73,480.05 and 19,418.46

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Solution

The fourth proportional to 48,993.99, 73,480.05 and 19,418.46 is: 29,123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,993.99 : 73,480.05 = 19,418.46 : x
  2. Step 2: Convert to fraction form
    48,993.99/73,480.05 = 19,418.46/x
  3. Step 3: Cross multiply
    48,993.99x = 73,480.05 × 19,418.46
  4. Step 4: Simplify right side
    48,993.99x = 1,426,869,411.72
  5. Step 5: Solve for x
    x = 1,426,869,411.72/48,993.99
  6. Step 6: Final answer
    x = 29,123.36

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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.