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Finding the Fourth Proportional to 10,930,220.20, 16,365,839.10 and 10,930,220.20

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Solution

The fourth proportional to 10,930,220.20, 16,365,839.10 and 10,930,220.20 is: 16,365,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930,220.20 : 16,365,839.10 = 10,930,220.20 : x
  2. Step 2: Convert to fraction form
    10,930,220.20/16,365,839.10 = 10,930,220.20/x
  3. Step 3: Cross multiply
    10,930,220.20x = 16,365,839.10 × 10,930,220.20
  4. Step 4: Simplify right side
    10,930,220.20x = 178,882,225,120,769.81
  5. Step 5: Solve for x
    x = 178,882,225,120,769.81/10,930,220.20
  6. Step 6: Final answer
    x = 16,365,839.10

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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.