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Finding the Fourth Proportional to 6,371,146.86, 8,792,194.59 and 3,792,916.86

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Solution

The fourth proportional to 6,371,146.86, 8,792,194.59 and 3,792,916.86 is: 5,234,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371,146.86 : 8,792,194.59 = 3,792,916.86 : x
  2. Step 2: Convert to fraction form
    6,371,146.86/8,792,194.59 = 3,792,916.86/x
  3. Step 3: Cross multiply
    6,371,146.86x = 8,792,194.59 × 3,792,916.86
  4. Step 4: Simplify right side
    6,371,146.86x = 33,348,063,096,811.79
  5. Step 5: Solve for x
    x = 33,348,063,096,811.79/6,371,146.86
  6. Step 6: Final answer
    x = 5,234,232.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.