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Finding the Fourth Proportional to 5,673,927.40, 8,517,111.90 and 3,546,413.80

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Solution

The fourth proportional to 5,673,927.40, 8,517,111.90 and 3,546,413.80 is: 5,323,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673,927.40 : 8,517,111.90 = 3,546,413.80 : x
  2. Step 2: Convert to fraction form
    5,673,927.40/8,517,111.90 = 3,546,413.80/x
  3. Step 3: Cross multiply
    5,673,927.40x = 8,517,111.90 × 3,546,413.80
  4. Step 4: Simplify right side
    5,673,927.40x = 30,205,203,178,304.22
  5. Step 5: Solve for x
    x = 30,205,203,178,304.22/5,673,927.40
  6. Step 6: Final answer
    x = 5,323,508.93

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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.