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Finding the Fourth Proportional to 12,061,213.60, 16,930,488.80 and 12,061,213.60

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Solution

The fourth proportional to 12,061,213.60, 16,930,488.80 and 12,061,213.60 is: 16,930,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061,213.60 : 16,930,488.80 = 12,061,213.60 : x
  2. Step 2: Convert to fraction form
    12,061,213.60/16,930,488.80 = 12,061,213.60/x
  3. Step 3: Cross multiply
    12,061,213.60x = 16,930,488.80 × 12,061,213.60
  4. Step 4: Simplify right side
    12,061,213.60x = 204,202,241,769,207.69
  5. Step 5: Solve for x
    x = 204,202,241,769,207.69/12,061,213.60
  6. Step 6: Final answer
    x = 16,930,488.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.