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Finding the Fourth Proportional to 26,641,908.47, 39,978,805.71 and 11,495,839.97

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Solution

The fourth proportional to 26,641,908.47, 39,978,805.71 and 11,495,839.97 is: 17,250,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,641,908.47 : 39,978,805.71 = 11,495,839.97 : x
  2. Step 2: Convert to fraction form
    26,641,908.47/39,978,805.71 = 11,495,839.97/x
  3. Step 3: Cross multiply
    26,641,908.47x = 39,978,805.71 × 11,495,839.97
  4. Step 4: Simplify right side
    26,641,908.47x = 459,589,952,633,882.25
  5. Step 5: Solve for x
    x = 459,589,952,633,882.25/26,641,908.47
  6. Step 6: Final answer
    x = 17,250,639.28

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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.