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Finding the Fourth Proportional to 22,617.99, 33,929.61 and 8,588.52

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Solution

The fourth proportional to 22,617.99, 33,929.61 and 8,588.52 is: 12,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.99 : 33,929.61 = 8,588.52 : x
  2. Step 2: Convert to fraction form
    22,617.99/33,929.61 = 8,588.52/x
  3. Step 3: Cross multiply
    22,617.99x = 33,929.61 × 8,588.52
  4. Step 4: Simplify right side
    22,617.99x = 291,405,134.08
  5. Step 5: Solve for x
    x = 291,405,134.08/22,617.99
  6. Step 6: Final answer
    x = 12,883.78

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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.