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Finding the Fourth Proportional to 18,241.12, 27,353.04 and 8,996.32

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Solution

The fourth proportional to 18,241.12, 27,353.04 and 8,996.32 is: 13,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.12 : 27,353.04 = 8,996.32 : x
  2. Step 2: Convert to fraction form
    18,241.12/27,353.04 = 8,996.32/x
  3. Step 3: Cross multiply
    18,241.12x = 27,353.04 × 8,996.32
  4. Step 4: Simplify right side
    18,241.12x = 246,076,700.81
  5. Step 5: Solve for x
    x = 246,076,700.81/18,241.12
  6. Step 6: Final answer
    x = 13,490.22

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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.