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Finding the Fourth Proportional to 7,560,761.70, 11,341,142.55 and 7,560,761.70

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Solution

The fourth proportional to 7,560,761.70, 11,341,142.55 and 7,560,761.70 is: 11,341,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,560,761.70 : 11,341,142.55 = 7,560,761.70 : x
  2. Step 2: Convert to fraction form
    7,560,761.70/11,341,142.55 = 7,560,761.70/x
  3. Step 3: Cross multiply
    7,560,761.70x = 11,341,142.55 × 7,560,761.70
  4. Step 4: Simplify right side
    7,560,761.70x = 85,747,676,226,280.34
  5. Step 5: Solve for x
    x = 85,747,676,226,280.34/7,560,761.70
  6. Step 6: Final answer
    x = 11,341,142.55

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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.