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Finding the Fourth Proportional to 5,581,601.26, 8,360,195.25 and 3,957,447.01

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Solution

The fourth proportional to 5,581,601.26, 8,360,195.25 and 3,957,447.01 is: 5,927,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581,601.26 : 8,360,195.25 = 3,957,447.01 : x
  2. Step 2: Convert to fraction form
    5,581,601.26/8,360,195.25 = 3,957,447.01/x
  3. Step 3: Cross multiply
    5,581,601.26x = 8,360,195.25 × 3,957,447.01
  4. Step 4: Simplify right side
    5,581,601.26x = 33,085,029,695,128.70
  5. Step 5: Solve for x
    x = 33,085,029,695,128.70/5,581,601.26
  6. Step 6: Final answer
    x = 5,927,515.81

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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.