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Finding the Fourth Proportional to 11,422.79, 17,114.57 and 10,267.22

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Solution

The fourth proportional to 11,422.79, 17,114.57 and 10,267.22 is: 15,383.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.79 : 17,114.57 = 10,267.22 : x
  2. Step 2: Convert to fraction form
    11,422.79/17,114.57 = 10,267.22/x
  3. Step 3: Cross multiply
    11,422.79x = 17,114.57 × 10,267.22
  4. Step 4: Simplify right side
    11,422.79x = 175,718,918.49
  5. Step 5: Solve for x
    x = 175,718,918.49/11,422.79
  6. Step 6: Final answer
    x = 15,383.19

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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.