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Finding the Fourth Proportional to 26,641,907.97, 39,978,804.96 and 11,495,839.47

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Solution

The fourth proportional to 26,641,907.97, 39,978,804.96 and 11,495,839.47 is: 17,250,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,641,907.97 : 39,978,804.96 = 11,495,839.47 : x
  2. Step 2: Convert to fraction form
    26,641,907.97/39,978,804.96 = 11,495,839.47/x
  3. Step 3: Cross multiply
    26,641,907.97x = 39,978,804.96 × 11,495,839.47
  4. Step 4: Simplify right side
    26,641,907.97x = 459,589,924,022,599.81
  5. Step 5: Solve for x
    x = 459,589,924,022,599.81/26,641,907.97
  6. Step 6: Final answer
    x = 17,250,638.53

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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.