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Finding the Fourth Proportional to 65,510.41, 90,407.57 and 36,839.10

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Solution

The fourth proportional to 65,510.41, 90,407.57 and 36,839.10 is: 50,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,510.41 : 90,407.57 = 36,839.10 : x
  2. Step 2: Convert to fraction form
    65,510.41/90,407.57 = 36,839.10/x
  3. Step 3: Cross multiply
    65,510.41x = 90,407.57 × 36,839.10
  4. Step 4: Simplify right side
    65,510.41x = 3,330,533,265.06
  5. Step 5: Solve for x
    x = 3,330,533,265.06/65,510.41
  6. Step 6: Final answer
    x = 50,839.76

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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.