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Finding the Fourth Proportional to 65,861.94, 90,881.01 and 37,565.94

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Solution

The fourth proportional to 65,861.94, 90,881.01 and 37,565.94 is: 51,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,861.94 : 90,881.01 = 37,565.94 : x
  2. Step 2: Convert to fraction form
    65,861.94/90,881.01 = 37,565.94/x
  3. Step 3: Cross multiply
    65,861.94x = 90,881.01 × 37,565.94
  4. Step 4: Simplify right side
    65,861.94x = 3,414,030,568.80
  5. Step 5: Solve for x
    x = 3,414,030,568.80/65,861.94
  6. Step 6: Final answer
    x = 51,836.17

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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.