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Finding the Fourth Proportional to 6,328,951.81, 8,733,773.06 and 3,715,413.87

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Solution

The fourth proportional to 6,328,951.81, 8,733,773.06 and 3,715,413.87 is: 5,127,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328,951.81 : 8,733,773.06 = 3,715,413.87 : x
  2. Step 2: Convert to fraction form
    6,328,951.81/8,733,773.06 = 3,715,413.87/x
  3. Step 3: Cross multiply
    6,328,951.81x = 8,733,773.06 × 3,715,413.87
  4. Step 4: Simplify right side
    6,328,951.81x = 32,449,581,592,663.72
  5. Step 5: Solve for x
    x = 32,449,581,592,663.72/6,328,951.81
  6. Step 6: Final answer
    x = 5,127,165.22

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Why These Related Problems?

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