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Finding the Fourth Proportional to 36,216.68, 49,978.98 and 22,069.56

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Solution

The fourth proportional to 36,216.68, 49,978.98 and 22,069.56 is: 30,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,216.68 : 49,978.98 = 22,069.56 : x
  2. Step 2: Convert to fraction form
    36,216.68/49,978.98 = 22,069.56/x
  3. Step 3: Cross multiply
    36,216.68x = 49,978.98 × 22,069.56
  4. Step 4: Simplify right side
    36,216.68x = 1,103,014,097.85
  5. Step 5: Solve for x
    x = 1,103,014,097.85/36,216.68
  6. Step 6: Final answer
    x = 30,455.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.