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Finding the Fourth Proportional to 20,599,324.40, 30,912,983.40 and 11,501,404.40

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Solution

The fourth proportional to 20,599,324.40, 30,912,983.40 and 11,501,404.40 is: 17,259,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599,324.40 : 30,912,983.40 = 11,501,404.40 : x
  2. Step 2: Convert to fraction form
    20,599,324.40/30,912,983.40 = 11,501,404.40/x
  3. Step 3: Cross multiply
    20,599,324.40x = 30,912,983.40 × 11,501,404.40
  4. Step 4: Simplify right side
    20,599,324.40x = 355,542,723,293,886.94
  5. Step 5: Solve for x
    x = 355,542,723,293,886.94/20,599,324.40
  6. Step 6: Final answer
    x = 17,259,921.56

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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.