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Finding the Fourth Proportional to 48,054.58, 72,107.73 and 19,993.99

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Solution

The fourth proportional to 48,054.58, 72,107.73 and 19,993.99 is: 30,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,054.58 : 72,107.73 = 19,993.99 : x
  2. Step 2: Convert to fraction form
    48,054.58/72,107.73 = 19,993.99/x
  3. Step 3: Cross multiply
    48,054.58x = 72,107.73 × 19,993.99
  4. Step 4: Simplify right side
    48,054.58x = 1,441,721,232.54
  5. Step 5: Solve for x
    x = 1,441,721,232.54/48,054.58
  6. Step 6: Final answer
    x = 30,001.74

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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.