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Finding the Fourth Proportional to 7,991.04, 11,992.32 and 4,527.36

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Solution

The fourth proportional to 7,991.04, 11,992.32 and 4,527.36 is: 6,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.04 : 11,992.32 = 4,527.36 : x
  2. Step 2: Convert to fraction form
    7,991.04/11,992.32 = 4,527.36/x
  3. Step 3: Cross multiply
    7,991.04x = 11,992.32 × 4,527.36
  4. Step 4: Simplify right side
    7,991.04x = 54,293,549.88
  5. Step 5: Solve for x
    x = 54,293,549.88/7,991.04
  6. Step 6: Final answer
    x = 6,794.30

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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.