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Finding the Fourth Proportional to 11,362.71, 17,042.70 and 3,966.57

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Solution

The fourth proportional to 11,362.71, 17,042.70 and 3,966.57 is: 5,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.71 : 17,042.70 = 3,966.57 : x
  2. Step 2: Convert to fraction form
    11,362.71/17,042.70 = 3,966.57/x
  3. Step 3: Cross multiply
    11,362.71x = 17,042.70 × 3,966.57
  4. Step 4: Simplify right side
    11,362.71x = 67,601,077.41
  5. Step 5: Solve for x
    x = 67,601,077.41/11,362.71
  6. Step 6: Final answer
    x = 5,949.38

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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.