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Finding the Fourth Proportional to 32,750.30, 45,195.43 and 19,321.58

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Solution

The fourth proportional to 32,750.30, 45,195.43 and 19,321.58 is: 26,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,750.30 : 45,195.43 = 19,321.58 : x
  2. Step 2: Convert to fraction form
    32,750.30/45,195.43 = 19,321.58/x
  3. Step 3: Cross multiply
    32,750.30x = 45,195.43 × 19,321.58
  4. Step 4: Simplify right side
    32,750.30x = 873,247,116.38
  5. Step 5: Solve for x
    x = 873,247,116.38/32,750.30
  6. Step 6: Final answer
    x = 26,663.79

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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.