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Finding the Fourth Proportional to 8,045,211.70, 12,067,817.56 and 8,045,211.70

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Solution

The fourth proportional to 8,045,211.70, 12,067,817.56 and 8,045,211.70 is: 12,067,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,211.70 : 12,067,817.56 = 8,045,211.70 : x
  2. Step 2: Convert to fraction form
    8,045,211.70/12,067,817.56 = 8,045,211.70/x
  3. Step 3: Cross multiply
    8,045,211.70x = 12,067,817.56 × 8,045,211.70
  4. Step 4: Simplify right side
    8,045,211.70x = 97,088,147,027,177.45
  5. Step 5: Solve for x
    x = 97,088,147,027,177.45/8,045,211.70
  6. Step 6: Final answer
    x = 12,067,817.56

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Similar ratio
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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.