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Finding the Fourth Proportional to 56,699.94, 85,025.31 and 17,247.94

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Solution

The fourth proportional to 56,699.94, 85,025.31 and 17,247.94 is: 25,864.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,699.94 : 85,025.31 = 17,247.94 : x
  2. Step 2: Convert to fraction form
    56,699.94/85,025.31 = 17,247.94/x
  3. Step 3: Cross multiply
    56,699.94x = 85,025.31 × 17,247.94
  4. Step 4: Simplify right side
    56,699.94x = 1,466,511,445.36
  5. Step 5: Solve for x
    x = 1,466,511,445.36/56,699.94
  6. Step 6: Final answer
    x = 25,864.43

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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.