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Finding the Fourth Proportional to 6,572,869.07, 9,070,563.16 and 3,672,259.94

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Solution

The fourth proportional to 6,572,869.07, 9,070,563.16 and 3,672,259.94 is: 5,067,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572,869.07 : 9,070,563.16 = 3,672,259.94 : x
  2. Step 2: Convert to fraction form
    6,572,869.07/9,070,563.16 = 3,672,259.94/x
  3. Step 3: Cross multiply
    6,572,869.07x = 9,070,563.16 × 3,672,259.94
  4. Step 4: Simplify right side
    6,572,869.07x = 33,309,465,661,993.69
  5. Step 5: Solve for x
    x = 33,309,465,661,993.69/6,572,869.07
  6. Step 6: Final answer
    x = 5,067,720.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.