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Finding the Fourth Proportional to 11,992.59, 17,973.09 and 6,727.50

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Solution

The fourth proportional to 11,992.59, 17,973.09 and 6,727.50 is: 10,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.59 : 17,973.09 = 6,727.50 : x
  2. Step 2: Convert to fraction form
    11,992.59/17,973.09 = 6,727.50/x
  3. Step 3: Cross multiply
    11,992.59x = 17,973.09 × 6,727.50
  4. Step 4: Simplify right side
    11,992.59x = 120,913,962.98
  5. Step 5: Solve for x
    x = 120,913,962.98/11,992.59
  6. Step 6: Final answer
    x = 10,082.39

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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.