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Finding the Fourth Proportional to 26,415,067.80, 36,905,512.20 and 26,415,067.80

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Solution

The fourth proportional to 26,415,067.80, 36,905,512.20 and 26,415,067.80 is: 36,905,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415,067.80 : 36,905,512.20 = 26,415,067.80 : x
  2. Step 2: Convert to fraction form
    26,415,067.80/36,905,512.20 = 26,415,067.80/x
  3. Step 3: Cross multiply
    26,415,067.80x = 36,905,512.20 × 26,415,067.80
  4. Step 4: Simplify right side
    26,415,067.80x = 974,861,606,956,727.25
  5. Step 5: Solve for x
    x = 974,861,606,956,727.25/26,415,067.80
  6. Step 6: Final answer
    x = 36,905,512.20

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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.