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Finding the Fourth Proportional to 12,251,657.62, 16,906,978.49 and 6,744,977.52

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Solution

The fourth proportional to 12,251,657.62, 16,906,978.49 and 6,744,977.52 is: 9,307,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,657.62 : 16,906,978.49 = 6,744,977.52 : x
  2. Step 2: Convert to fraction form
    12,251,657.62/16,906,978.49 = 6,744,977.52/x
  3. Step 3: Cross multiply
    12,251,657.62x = 16,906,978.49 × 6,744,977.52
  4. Step 4: Simplify right side
    12,251,657.62x = 114,037,189,761,638.64
  5. Step 5: Solve for x
    x = 114,037,189,761,638.64/12,251,657.62
  6. Step 6: Final answer
    x = 9,307,898.84

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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.