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Finding the Fourth Proportional to 61,271.43, 91,912.80 and 23,834.34

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Solution

The fourth proportional to 61,271.43, 91,912.80 and 23,834.34 is: 35,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,271.43 : 91,912.80 = 23,834.34 : x
  2. Step 2: Convert to fraction form
    61,271.43/91,912.80 = 23,834.34/x
  3. Step 3: Cross multiply
    61,271.43x = 91,912.80 × 23,834.34
  4. Step 4: Simplify right side
    61,271.43x = 2,190,680,925.55
  5. Step 5: Solve for x
    x = 2,190,680,925.55/61,271.43
  6. Step 6: Final answer
    x = 35,753.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.