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Finding the Fourth Proportional to 3,792,913.31, 5,689,375.74 and 1,549,051.31

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Solution

The fourth proportional to 3,792,913.31, 5,689,375.74 and 1,549,051.31 is: 2,323,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792,913.31 : 5,689,375.74 = 1,549,051.31 : x
  2. Step 2: Convert to fraction form
    3,792,913.31/5,689,375.74 = 1,549,051.31/x
  3. Step 3: Cross multiply
    3,792,913.31x = 5,689,375.74 × 1,549,051.31
  4. Step 4: Simplify right side
    3,792,913.31x = 8,813,134,957,352.66
  5. Step 5: Solve for x
    x = 8,813,134,957,352.66/3,792,913.31
  6. Step 6: Final answer
    x = 2,323,579.33

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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.