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Finding the Fourth Proportional to 59,728.70, 82,425.62 and 32,871.20

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Solution

The fourth proportional to 59,728.70, 82,425.62 and 32,871.20 is: 45,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,728.70 : 82,425.62 = 32,871.20 : x
  2. Step 2: Convert to fraction form
    59,728.70/82,425.62 = 32,871.20/x
  3. Step 3: Cross multiply
    59,728.70x = 82,425.62 × 32,871.20
  4. Step 4: Simplify right side
    59,728.70x = 2,709,429,040.14
  5. Step 5: Solve for x
    x = 2,709,429,040.14/59,728.70
  6. Step 6: Final answer
    x = 45,362.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.