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Finding the Fourth Proportional to 16,009.34, 22,090.84 and 8,936.06

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Solution

The fourth proportional to 16,009.34, 22,090.84 and 8,936.06 is: 12,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,009.34 : 22,090.84 = 8,936.06 : x
  2. Step 2: Convert to fraction form
    16,009.34/22,090.84 = 8,936.06/x
  3. Step 3: Cross multiply
    16,009.34x = 22,090.84 × 8,936.06
  4. Step 4: Simplify right side
    16,009.34x = 197,404,961.24
  5. Step 5: Solve for x
    x = 197,404,961.24/16,009.34
  6. Step 6: Final answer
    x = 12,330.62

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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.