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Finding the Fourth Proportional to 11,884.79, 16,401.02 and 6,579.97

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Solution

The fourth proportional to 11,884.79, 16,401.02 and 6,579.97 is: 9,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.79 : 16,401.02 = 6,579.97 : x
  2. Step 2: Convert to fraction form
    11,884.79/16,401.02 = 6,579.97/x
  3. Step 3: Cross multiply
    11,884.79x = 16,401.02 × 6,579.97
  4. Step 4: Simplify right side
    11,884.79x = 107,918,145.67
  5. Step 5: Solve for x
    x = 107,918,145.67/11,884.79
  6. Step 6: Final answer
    x = 9,080.36

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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.