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Finding the Fourth Proportional to 19,711.92, 27,203.04 and 10,760.01

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Solution

The fourth proportional to 19,711.92, 27,203.04 and 10,760.01 is: 14,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.92 : 27,203.04 = 10,760.01 : x
  2. Step 2: Convert to fraction form
    19,711.92/27,203.04 = 10,760.01/x
  3. Step 3: Cross multiply
    19,711.92x = 27,203.04 × 10,760.01
  4. Step 4: Simplify right side
    19,711.92x = 292,704,982.43
  5. Step 5: Solve for x
    x = 292,704,982.43/19,711.92
  6. Step 6: Final answer
    x = 14,849.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.