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Finding the Fourth Proportional to 48,665.92, 72,981.04 and 23,698.48

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Solution

The fourth proportional to 48,665.92, 72,981.04 and 23,698.48 is: 35,539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,665.92 : 72,981.04 = 23,698.48 : x
  2. Step 2: Convert to fraction form
    48,665.92/72,981.04 = 23,698.48/x
  3. Step 3: Cross multiply
    48,665.92x = 72,981.04 × 23,698.48
  4. Step 4: Simplify right side
    48,665.92x = 1,729,539,716.82
  5. Step 5: Solve for x
    x = 1,729,539,716.82/48,665.92
  6. Step 6: Final answer
    x = 35,539.03

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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.