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Finding the Fourth Proportional to 11,553.72, 17,320.98 and 6,627

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Solution

The fourth proportional to 11,553.72, 17,320.98 and 6,627 is: 9,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.72 : 17,320.98 = 6,627 : x
  2. Step 2: Convert to fraction form
    11,553.72/17,320.98 = 6,627/x
  3. Step 3: Cross multiply
    11,553.72x = 17,320.98 × 6,627
  4. Step 4: Simplify right side
    11,553.72x = 114,786,134.46
  5. Step 5: Solve for x
    x = 114,786,134.46/11,553.72
  6. Step 6: Final answer
    x = 9,934.99

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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.