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Finding the Fourth Proportional to 6,427,481.80, 8,869,627.56 and 3,526,800.52

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Solution

The fourth proportional to 6,427,481.80, 8,869,627.56 and 3,526,800.52 is: 4,866,821.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427,481.80 : 8,869,627.56 = 3,526,800.52 : x
  2. Step 2: Convert to fraction form
    6,427,481.80/8,869,627.56 = 3,526,800.52/x
  3. Step 3: Cross multiply
    6,427,481.80x = 8,869,627.56 × 3,526,800.52
  4. Step 4: Simplify right side
    6,427,481.80x = 31,281,407,090,814.33
  5. Step 5: Solve for x
    x = 31,281,407,090,814.33/6,427,481.80
  6. Step 6: Final answer
    x = 4,866,821.57

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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.