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Finding the Fourth Proportional to 11,254.70, 16,882.05 and 5,110.70

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Solution

The fourth proportional to 11,254.70, 16,882.05 and 5,110.70 is: 7,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.70 : 16,882.05 = 5,110.70 : x
  2. Step 2: Convert to fraction form
    11,254.70/16,882.05 = 5,110.70/x
  3. Step 3: Cross multiply
    11,254.70x = 16,882.05 × 5,110.70
  4. Step 4: Simplify right side
    11,254.70x = 86,279,092.94
  5. Step 5: Solve for x
    x = 86,279,092.94/11,254.70
  6. Step 6: Final answer
    x = 7,666.05

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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.