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Finding the Fourth Proportional to 6,646,473.70, 9,966,794.55 and 3,051,045.70

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Solution

The fourth proportional to 6,646,473.70, 9,966,794.55 and 3,051,045.70 is: 4,575,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646,473.70 : 9,966,794.55 = 3,051,045.70 : x
  2. Step 2: Convert to fraction form
    6,646,473.70/9,966,794.55 = 3,051,045.70/x
  3. Step 3: Cross multiply
    6,646,473.70x = 9,966,794.55 × 3,051,045.70
  4. Step 4: Simplify right side
    6,646,473.70x = 30,409,145,654,560.94
  5. Step 5: Solve for x
    x = 30,409,145,654,560.94/6,646,473.70
  6. Step 6: Final answer
    x = 4,575,229.97

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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.