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Finding the Fourth Proportional to 8,792,597.20, 13,188,895.80 and 5,433,365.20

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Solution

The fourth proportional to 8,792,597.20, 13,188,895.80 and 5,433,365.20 is: 8,150,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792,597.20 : 13,188,895.80 = 5,433,365.20 : x
  2. Step 2: Convert to fraction form
    8,792,597.20/13,188,895.80 = 5,433,365.20/x
  3. Step 3: Cross multiply
    8,792,597.20x = 13,188,895.80 × 5,433,365.20
  4. Step 4: Simplify right side
    8,792,597.20x = 71,660,087,466,146.17
  5. Step 5: Solve for x
    x = 71,660,087,466,146.17/8,792,597.20
  6. Step 6: Final answer
    x = 8,150,047.80

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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.