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Finding the Fourth Proportional to 22,447.98, 33,681.69 and 8,606.70

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Solution

The fourth proportional to 22,447.98, 33,681.69 and 8,606.70 is: 12,913.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,447.98 : 33,681.69 = 8,606.70 : x
  2. Step 2: Convert to fraction form
    22,447.98/33,681.69 = 8,606.70/x
  3. Step 3: Cross multiply
    22,447.98x = 33,681.69 × 8,606.70
  4. Step 4: Simplify right side
    22,447.98x = 289,888,201.32
  5. Step 5: Solve for x
    x = 289,888,201.32/22,447.98
  6. Step 6: Final answer
    x = 12,913.78

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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.