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Finding the Fourth Proportional to 26,919,005.30, 40,378,507.95 and 26,919,005.30

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Solution

The fourth proportional to 26,919,005.30, 40,378,507.95 and 26,919,005.30 is: 40,378,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,919,005.30 : 40,378,507.95 = 26,919,005.30 : x
  2. Step 2: Convert to fraction form
    26,919,005.30/40,378,507.95 = 26,919,005.30/x
  3. Step 3: Cross multiply
    26,919,005.30x = 40,378,507.95 × 26,919,005.30
  4. Step 4: Simplify right side
    26,919,005.30x = 1,086,949,269,512,142.25
  5. Step 5: Solve for x
    x = 1,086,949,269,512,142.25/26,919,005.30
  6. Step 6: Final answer
    x = 40,378,507.95

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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.