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Finding the Fourth Proportional to 49,179.99, 73,699.11 and 28,054.92

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Solution

The fourth proportional to 49,179.99, 73,699.11 and 28,054.92 is: 42,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,179.99 : 73,699.11 = 28,054.92 : x
  2. Step 2: Convert to fraction form
    49,179.99/73,699.11 = 28,054.92/x
  3. Step 3: Cross multiply
    49,179.99x = 73,699.11 × 28,054.92
  4. Step 4: Simplify right side
    49,179.99x = 2,067,622,635.12
  5. Step 5: Solve for x
    x = 2,067,622,635.12/49,179.99
  6. Step 6: Final answer
    x = 42,041.95

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1.5x scale

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.