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Finding the Fourth Proportional to 16,454.37, 22,709.79 and 12,944.37

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Solution

The fourth proportional to 16,454.37, 22,709.79 and 12,944.37 is: 17,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,454.37 : 22,709.79 = 12,944.37 : x
  2. Step 2: Convert to fraction form
    16,454.37/22,709.79 = 12,944.37/x
  3. Step 3: Cross multiply
    16,454.37x = 22,709.79 × 12,944.37
  4. Step 4: Simplify right side
    16,454.37x = 293,963,924.38
  5. Step 5: Solve for x
    x = 293,963,924.38/16,454.37
  6. Step 6: Final answer
    x = 17,865.40

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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.