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Finding the Fourth Proportional to 11,006.70, 16,514.10 and 10,601.70

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Solution

The fourth proportional to 11,006.70, 16,514.10 and 10,601.70 is: 15,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.70 : 16,514.10 = 10,601.70 : x
  2. Step 2: Convert to fraction form
    11,006.70/16,514.10 = 10,601.70/x
  3. Step 3: Cross multiply
    11,006.70x = 16,514.10 × 10,601.70
  4. Step 4: Simplify right side
    11,006.70x = 175,077,533.97
  5. Step 5: Solve for x
    x = 175,077,533.97/11,006.70
  6. Step 6: Final answer
    x = 15,906.45

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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.