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Finding the Fourth Proportional to 34,906.53, 48,167.42 and 20,756.64

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Solution

The fourth proportional to 34,906.53, 48,167.42 and 20,756.64 is: 28,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,906.53 : 48,167.42 = 20,756.64 : x
  2. Step 2: Convert to fraction form
    34,906.53/48,167.42 = 20,756.64/x
  3. Step 3: Cross multiply
    34,906.53x = 48,167.42 × 20,756.64
  4. Step 4: Simplify right side
    34,906.53x = 999,793,692.89
  5. Step 5: Solve for x
    x = 999,793,692.89/34,906.53
  6. Step 6: Final answer
    x = 28,642.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.