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Finding the Fourth Proportional to 6,734,978.88, 10,102,555.86 and 2,247,254.88

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Solution

The fourth proportional to 6,734,978.88, 10,102,555.86 and 2,247,254.88 is: 3,370,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,734,978.88 : 10,102,555.86 = 2,247,254.88 : x
  2. Step 2: Convert to fraction form
    6,734,978.88/10,102,555.86 = 2,247,254.88/x
  3. Step 3: Cross multiply
    6,734,978.88x = 10,102,555.86 × 2,247,254.88
  4. Step 4: Simplify right side
    6,734,978.88x = 22,703,017,956,857.59
  5. Step 5: Solve for x
    x = 22,703,017,956,857.59/6,734,978.88
  6. Step 6: Final answer
    x = 3,370,911.53

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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.