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Finding the Fourth Proportional to 26,979,366.60, 37,856,143.80 and 26,979,366.60

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Solution

The fourth proportional to 26,979,366.60, 37,856,143.80 and 26,979,366.60 is: 37,856,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979,366.60 : 37,856,143.80 = 26,979,366.60 : x
  2. Step 2: Convert to fraction form
    26,979,366.60/37,856,143.80 = 26,979,366.60/x
  3. Step 3: Cross multiply
    26,979,366.60x = 37,856,143.80 × 26,979,366.60
  4. Step 4: Simplify right side
    26,979,366.60x = 1,021,334,781,642,517
  5. Step 5: Solve for x
    x = 1,021,334,781,642,517/26,979,366.60
  6. Step 6: Final answer
    x = 37,856,143.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.