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Finding the Fourth Proportional to 57,321.66, 85,982.43 and 37,595.60

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Solution

The fourth proportional to 57,321.66, 85,982.43 and 37,595.60 is: 56,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,321.66 : 85,982.43 = 37,595.60 : x
  2. Step 2: Convert to fraction form
    57,321.66/85,982.43 = 37,595.60/x
  3. Step 3: Cross multiply
    57,321.66x = 85,982.43 × 37,595.60
  4. Step 4: Simplify right side
    57,321.66x = 3,232,561,045.31
  5. Step 5: Solve for x
    x = 3,232,561,045.31/57,321.66
  6. Step 6: Final answer
    x = 56,393.36

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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.