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Finding the Fourth Proportional to 65,414, 90,271.32 and 35,606

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Solution

The fourth proportional to 65,414, 90,271.32 and 35,606 is: 49,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,414 : 90,271.32 = 35,606 : x
  2. Step 2: Convert to fraction form
    65,414/90,271.32 = 35,606/x
  3. Step 3: Cross multiply
    65,414x = 90,271.32 × 35,606
  4. Step 4: Simplify right side
    65,414x = 3,214,200,619.92
  5. Step 5: Solve for x
    x = 3,214,200,619.92/65,414
  6. Step 6: Final answer
    x = 49,136.28

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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.