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Finding the Fourth Proportional to 7,792.13, 11,691.84 and 4,507.99

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Solution

The fourth proportional to 7,792.13, 11,691.84 and 4,507.99 is: 6,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.13 : 11,691.84 = 4,507.99 : x
  2. Step 2: Convert to fraction form
    7,792.13/11,691.84 = 4,507.99/x
  3. Step 3: Cross multiply
    7,792.13x = 11,691.84 × 4,507.99
  4. Step 4: Simplify right side
    7,792.13x = 52,706,685.48
  5. Step 5: Solve for x
    x = 52,706,685.48/7,792.13
  6. Step 6: Final answer
    x = 6,764.09

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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.