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Finding the Fourth Proportional to 65,932.40, 90,993.23 and 37,642.34

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Solution

The fourth proportional to 65,932.40, 90,993.23 and 37,642.34 is: 51,950.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,932.40 : 90,993.23 = 37,642.34 : x
  2. Step 2: Convert to fraction form
    65,932.40/90,993.23 = 37,642.34/x
  3. Step 3: Cross multiply
    65,932.40x = 90,993.23 × 37,642.34
  4. Step 4: Simplify right side
    65,932.40x = 3,425,197,458.18
  5. Step 5: Solve for x
    x = 3,425,197,458.18/65,932.40
  6. Step 6: Final answer
    x = 51,950.14

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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.