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Finding the Fourth Proportional to 56,472.63, 84,716.75 and 19,043.41

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Solution

The fourth proportional to 56,472.63, 84,716.75 and 19,043.41 is: 28,567.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,472.63 : 84,716.75 = 19,043.41 : x
  2. Step 2: Convert to fraction form
    56,472.63/84,716.75 = 19,043.41/x
  3. Step 3: Cross multiply
    56,472.63x = 84,716.75 × 19,043.41
  4. Step 4: Simplify right side
    56,472.63x = 1,613,295,804.12
  5. Step 5: Solve for x
    x = 1,613,295,804.12/56,472.63
  6. Step 6: Final answer
    x = 28,567.75

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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.