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Finding the Fourth Proportional to 29,944.80, 44,917.20 and 18,900.45

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Solution

The fourth proportional to 29,944.80, 44,917.20 and 18,900.45 is: 28,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,944.80 : 44,917.20 = 18,900.45 : x
  2. Step 2: Convert to fraction form
    29,944.80/44,917.20 = 18,900.45/x
  3. Step 3: Cross multiply
    29,944.80x = 44,917.20 × 18,900.45
  4. Step 4: Simplify right side
    29,944.80x = 848,955,292.74
  5. Step 5: Solve for x
    x = 848,955,292.74/29,944.80
  6. Step 6: Final answer
    x = 28,350.68

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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.