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Finding the Fourth Proportional to 5,283,866.88, 7,923,302.28 and 2,046,920.76

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Solution

The fourth proportional to 5,283,866.88, 7,923,302.28 and 2,046,920.76 is: 3,069,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283,866.88 : 7,923,302.28 = 2,046,920.76 : x
  2. Step 2: Convert to fraction form
    5,283,866.88/7,923,302.28 = 2,046,920.76/x
  3. Step 3: Cross multiply
    5,283,866.88x = 7,923,302.28 × 2,046,920.76
  4. Step 4: Simplify right side
    5,283,866.88x = 16,218,371,924,687.33
  5. Step 5: Solve for x
    x = 16,218,371,924,687.33/5,283,866.88
  6. Step 6: Final answer
    x = 3,069,413.42

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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.