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Finding the Fourth Proportional to 5,910,338.54, 8,866,010.74 and 1,865,744.30

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Solution

The fourth proportional to 5,910,338.54, 8,866,010.74 and 1,865,744.30 is: 2,798,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910,338.54 : 8,866,010.74 = 1,865,744.30 : x
  2. Step 2: Convert to fraction form
    5,910,338.54/8,866,010.74 = 1,865,744.30/x
  3. Step 3: Cross multiply
    5,910,338.54x = 8,866,010.74 × 1,865,744.30
  4. Step 4: Simplify right side
    5,910,338.54x = 16,541,709,001,893.78
  5. Step 5: Solve for x
    x = 16,541,709,001,893.78/5,910,338.54
  6. Step 6: Final answer
    x = 2,798,775.21

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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.