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Finding the Fourth Proportional to 42,607.86, 63,797.48 and 23,834.43

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Solution

The fourth proportional to 42,607.86, 63,797.48 and 23,834.43 is: 35,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,607.86 : 63,797.48 = 23,834.43 : x
  2. Step 2: Convert to fraction form
    42,607.86/63,797.48 = 23,834.43/x
  3. Step 3: Cross multiply
    42,607.86x = 63,797.48 × 23,834.43
  4. Step 4: Simplify right side
    42,607.86x = 1,520,576,541.44
  5. Step 5: Solve for x
    x = 1,520,576,541.44/42,607.86
  6. Step 6: Final answer
    x = 35,687.70

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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.