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Finding the Fourth Proportional to 8,008.75, 11,992.15 and 5,656.03

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Solution

The fourth proportional to 8,008.75, 11,992.15 and 5,656.03 is: 8,469.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.75 : 11,992.15 = 5,656.03 : x
  2. Step 2: Convert to fraction form
    8,008.75/11,992.15 = 5,656.03/x
  3. Step 3: Cross multiply
    8,008.75x = 11,992.15 × 5,656.03
  4. Step 4: Simplify right side
    8,008.75x = 67,827,960.16
  5. Step 5: Solve for x
    x = 67,827,960.16/8,008.75
  6. Step 6: Final answer
    x = 8,469.23

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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.