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Finding the Fourth Proportional to 12,241.52, 16,892.04 and 6,936.80

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Solution

The fourth proportional to 12,241.52, 16,892.04 and 6,936.80 is: 9,572.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.52 : 16,892.04 = 6,936.80 : x
  2. Step 2: Convert to fraction form
    12,241.52/16,892.04 = 6,936.80/x
  3. Step 3: Cross multiply
    12,241.52x = 16,892.04 × 6,936.80
  4. Step 4: Simplify right side
    12,241.52x = 117,176,703.07
  5. Step 5: Solve for x
    x = 117,176,703.07/12,241.52
  6. Step 6: Final answer
    x = 9,572.07

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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.