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Finding the Fourth Proportional to 34,834.98, 48,066.03 and 20,691.30

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Solution

The fourth proportional to 34,834.98, 48,066.03 and 20,691.30 is: 28,550.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,834.98 : 48,066.03 = 20,691.30 : x
  2. Step 2: Convert to fraction form
    34,834.98/48,066.03 = 20,691.30/x
  3. Step 3: Cross multiply
    34,834.98x = 48,066.03 × 20,691.30
  4. Step 4: Simplify right side
    34,834.98x = 994,548,646.54
  5. Step 5: Solve for x
    x = 994,548,646.54/34,834.98
  6. Step 6: Final answer
    x = 28,550.29

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1.5x scale

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.