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Finding the Fourth Proportional to 39,944.98, 55,124.03 and 22,039.98

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Solution

The fourth proportional to 39,944.98, 55,124.03 and 22,039.98 is: 30,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,944.98 : 55,124.03 = 22,039.98 : x
  2. Step 2: Convert to fraction form
    39,944.98/55,124.03 = 22,039.98/x
  3. Step 3: Cross multiply
    39,944.98x = 55,124.03 × 22,039.98
  4. Step 4: Simplify right side
    39,944.98x = 1,214,932,408.52
  5. Step 5: Solve for x
    x = 1,214,932,408.52/39,944.98
  6. Step 6: Final answer
    x = 30,415.15

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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.