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Finding the Fourth Proportional to 11,553.70, 17,246.97 and 10,152.44

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Solution

The fourth proportional to 11,553.70, 17,246.97 and 10,152.44 is: 15,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.70 : 17,246.97 = 10,152.44 : x
  2. Step 2: Convert to fraction form
    11,553.70/17,246.97 = 10,152.44/x
  3. Step 3: Cross multiply
    11,553.70x = 17,246.97 × 10,152.44
  4. Step 4: Simplify right side
    11,553.70x = 175,098,828.11
  5. Step 5: Solve for x
    x = 175,098,828.11/11,553.70
  6. Step 6: Final answer
    x = 15,155.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.