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Finding the Fourth Proportional to 11,604.78, 17,426.20 and 11,013.17

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Solution

The fourth proportional to 11,604.78, 17,426.20 and 11,013.17 is: 16,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,604.78 : 17,426.20 = 11,013.17 : x
  2. Step 2: Convert to fraction form
    11,604.78/17,426.20 = 11,013.17/x
  3. Step 3: Cross multiply
    11,604.78x = 17,426.20 × 11,013.17
  4. Step 4: Simplify right side
    11,604.78x = 191,917,703.05
  5. Step 5: Solve for x
    x = 191,917,703.05/11,604.78
  6. Step 6: Final answer
    x = 16,537.81

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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.