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Finding the Fourth Proportional to 20,229,861.35, 30,344,792.03 and 20,229,861.35

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Solution

The fourth proportional to 20,229,861.35, 30,344,792.03 and 20,229,861.35 is: 30,344,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,861.35 : 30,344,792.03 = 20,229,861.35 : x
  2. Step 2: Convert to fraction form
    20,229,861.35/30,344,792.03 = 20,229,861.35/x
  3. Step 3: Cross multiply
    20,229,861.35x = 30,344,792.03 × 20,229,861.35
  4. Step 4: Simplify right side
    20,229,861.35x = 613,870,935,360,335.75
  5. Step 5: Solve for x
    x = 613,870,935,360,335.75/20,229,861.35
  6. Step 6: Final answer
    x = 30,344,792.03

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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.