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Finding the Fourth Proportional to 11,471.92, 17,207.88 and 3,681.36

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Solution

The fourth proportional to 11,471.92, 17,207.88 and 3,681.36 is: 5,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,471.92 : 17,207.88 = 3,681.36 : x
  2. Step 2: Convert to fraction form
    11,471.92/17,207.88 = 3,681.36/x
  3. Step 3: Cross multiply
    11,471.92x = 17,207.88 × 3,681.36
  4. Step 4: Simplify right side
    11,471.92x = 63,348,401.12
  5. Step 5: Solve for x
    x = 63,348,401.12/11,471.92
  6. Step 6: Final answer
    x = 5,522.04

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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.