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Finding the Fourth Proportional to 48,579.99, 72,850.91 and 23,612.73

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Solution

The fourth proportional to 48,579.99, 72,850.91 and 23,612.73 is: 35,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,579.99 : 72,850.91 = 23,612.73 : x
  2. Step 2: Convert to fraction form
    48,579.99/72,850.91 = 23,612.73/x
  3. Step 3: Cross multiply
    48,579.99x = 72,850.91 × 23,612.73
  4. Step 4: Simplify right side
    48,579.99x = 1,720,208,750.02
  5. Step 5: Solve for x
    x = 1,720,208,750.02/48,579.99
  6. Step 6: Final answer
    x = 35,409.82

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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.