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Finding the Fourth Proportional to 6,880,978.52, 10,322,712.33 and 2,835,215.80

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Solution

The fourth proportional to 6,880,978.52, 10,322,712.33 and 2,835,215.80 is: 4,253,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880,978.52 : 10,322,712.33 = 2,835,215.80 : x
  2. Step 2: Convert to fraction form
    6,880,978.52/10,322,712.33 = 2,835,215.80/x
  3. Step 3: Cross multiply
    6,880,978.52x = 10,322,712.33 × 2,835,215.80
  4. Step 4: Simplify right side
    6,880,978.52x = 29,267,117,060,431.97
  5. Step 5: Solve for x
    x = 29,267,117,060,431.97/6,880,978.52
  6. Step 6: Final answer
    x = 4,253,336.50

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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.