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Finding the Fourth Proportional to 12,343.92, 18,472.81 and 10,096.77

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Solution

The fourth proportional to 12,343.92, 18,472.81 and 10,096.77 is: 15,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.92 : 18,472.81 = 10,096.77 : x
  2. Step 2: Convert to fraction form
    12,343.92/18,472.81 = 10,096.77/x
  3. Step 3: Cross multiply
    12,343.92x = 18,472.81 × 10,096.77
  4. Step 4: Simplify right side
    12,343.92x = 186,515,713.82
  5. Step 5: Solve for x
    x = 186,515,713.82/12,343.92
  6. Step 6: Final answer
    x = 15,109.93

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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.