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Finding the Fourth Proportional to 15,667.01, 21,620.54 and 8,593.41

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Solution

The fourth proportional to 15,667.01, 21,620.54 and 8,593.41 is: 11,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.01 : 21,620.54 = 8,593.41 : x
  2. Step 2: Convert to fraction form
    15,667.01/21,620.54 = 8,593.41/x
  3. Step 3: Cross multiply
    15,667.01x = 21,620.54 × 8,593.41
  4. Step 4: Simplify right side
    15,667.01x = 185,794,121.67
  5. Step 5: Solve for x
    x = 185,794,121.67/15,667.01
  6. Step 6: Final answer
    x = 11,858.94

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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.