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Finding the Fourth Proportional to 11,873.17, 17,722.06 and 10,472.38

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Solution

The fourth proportional to 11,873.17, 17,722.06 and 10,472.38 is: 15,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.17 : 17,722.06 = 10,472.38 : x
  2. Step 2: Convert to fraction form
    11,873.17/17,722.06 = 10,472.38/x
  3. Step 3: Cross multiply
    11,873.17x = 17,722.06 × 10,472.38
  4. Step 4: Simplify right side
    11,873.17x = 185,592,172.88
  5. Step 5: Solve for x
    x = 185,592,172.88/11,873.17
  6. Step 6: Final answer
    x = 15,631.22

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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.