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Finding the Fourth Proportional to 26,404,844.40, 39,607,266.60 and 25,448,250.60

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Solution

The fourth proportional to 26,404,844.40, 39,607,266.60 and 25,448,250.60 is: 38,172,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,404,844.40 : 39,607,266.60 = 25,448,250.60 : x
  2. Step 2: Convert to fraction form
    26,404,844.40/39,607,266.60 = 25,448,250.60/x
  3. Step 3: Cross multiply
    26,404,844.40x = 39,607,266.60 × 25,448,250.60
  4. Step 4: Simplify right side
    26,404,844.40x = 1,007,935,646,017,810
  5. Step 5: Solve for x
    x = 1,007,935,646,017,810/26,404,844.40
  6. Step 6: Final answer
    x = 38,172,375.90

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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.