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Finding the Fourth Proportional to 5,581,752.89, 8,367,314.90 and 1,792,578.56

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Solution

The fourth proportional to 5,581,752.89, 8,367,314.90 and 1,792,578.56 is: 2,687,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581,752.89 : 8,367,314.90 = 1,792,578.56 : x
  2. Step 2: Convert to fraction form
    5,581,752.89/8,367,314.90 = 1,792,578.56/x
  3. Step 3: Cross multiply
    5,581,752.89x = 8,367,314.90 × 1,792,578.56
  4. Step 4: Simplify right side
    5,581,752.89x = 14,999,069,306,463.94
  5. Step 5: Solve for x
    x = 14,999,069,306,463.94/5,581,752.89
  6. Step 6: Final answer
    x = 2,687,161.11

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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.