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Finding the Fourth Proportional to 5,799,241.89, 7,999,728.62 and 5,388,703.11

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Solution

The fourth proportional to 5,799,241.89, 7,999,728.62 and 5,388,703.11 is: 7,433,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799,241.89 : 7,999,728.62 = 5,388,703.11 : x
  2. Step 2: Convert to fraction form
    5,799,241.89/7,999,728.62 = 5,388,703.11/x
  3. Step 3: Cross multiply
    5,799,241.89x = 7,999,728.62 × 5,388,703.11
  4. Step 4: Simplify right side
    5,799,241.89x = 43,108,162,466,806.50
  5. Step 5: Solve for x
    x = 43,108,162,466,806.50/5,799,241.89
  6. Step 6: Final answer
    x = 7,433,413.42

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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.