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Finding the Fourth Proportional to 26,067.83, 35,978.58 and 15,463.31

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Solution

The fourth proportional to 26,067.83, 35,978.58 and 15,463.31 is: 21,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,067.83 : 35,978.58 = 15,463.31 : x
  2. Step 2: Convert to fraction form
    26,067.83/35,978.58 = 15,463.31/x
  3. Step 3: Cross multiply
    26,067.83x = 35,978.58 × 15,463.31
  4. Step 4: Simplify right side
    26,067.83x = 556,347,756.01
  5. Step 5: Solve for x
    x = 556,347,756.01/26,067.83
  6. Step 6: Final answer
    x = 21,342.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.