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Finding the Fourth Proportional to 66,364.48, 91,582.14 and 38,069.56

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Solution

The fourth proportional to 66,364.48, 91,582.14 and 38,069.56 is: 52,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,364.48 : 91,582.14 = 38,069.56 : x
  2. Step 2: Convert to fraction form
    66,364.48/91,582.14 = 38,069.56/x
  3. Step 3: Cross multiply
    66,364.48x = 91,582.14 × 38,069.56
  4. Step 4: Simplify right side
    66,364.48x = 3,486,491,773.66
  5. Step 5: Solve for x
    x = 3,486,491,773.66/66,364.48
  6. Step 6: Final answer
    x = 52,535.51

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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.