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Finding the Fourth Proportional to 56,672.90, 85,014.10 and 17,230.36

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Solution

The fourth proportional to 56,672.90, 85,014.10 and 17,230.36 is: 25,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,672.90 : 85,014.10 = 17,230.36 : x
  2. Step 2: Convert to fraction form
    56,672.90/85,014.10 = 17,230.36/x
  3. Step 3: Cross multiply
    56,672.90x = 85,014.10 × 17,230.36
  4. Step 4: Simplify right side
    56,672.90x = 1,464,823,123.01
  5. Step 5: Solve for x
    x = 1,464,823,123.01/56,672.90
  6. Step 6: Final answer
    x = 25,846.98

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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.