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Finding the Fourth Proportional to 6,891,364.70, 10,337,047.05 and 6,891,364.70

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Solution

The fourth proportional to 6,891,364.70, 10,337,047.05 and 6,891,364.70 is: 10,337,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891,364.70 : 10,337,047.05 = 6,891,364.70 : x
  2. Step 2: Convert to fraction form
    6,891,364.70/10,337,047.05 = 6,891,364.70/x
  3. Step 3: Cross multiply
    6,891,364.70x = 10,337,047.05 × 6,891,364.70
  4. Step 4: Simplify right side
    6,891,364.70x = 71,236,361,142,609.14
  5. Step 5: Solve for x
    x = 71,236,361,142,609.14/6,891,364.70
  6. Step 6: Final answer
    x = 10,337,047.05

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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.