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Finding the Fourth Proportional to 6,292,925.28, 8,684,903.57 and 3,846,968.28

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Solution

The fourth proportional to 6,292,925.28, 8,684,903.57 and 3,846,968.28 is: 5,309,223.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292,925.28 : 8,684,903.57 = 3,846,968.28 : x
  2. Step 2: Convert to fraction form
    6,292,925.28/8,684,903.57 = 3,846,968.28/x
  3. Step 3: Cross multiply
    6,292,925.28x = 8,684,903.57 × 3,846,968.28
  4. Step 4: Simplify right side
    6,292,925.28x = 33,410,548,529,413.91
  5. Step 5: Solve for x
    x = 33,410,548,529,413.91/6,292,925.28
  6. Step 6: Final answer
    x = 5,309,223.78

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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.