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Finding the Fourth Proportional to 35,173.82, 48,540.16 and 20,834.44

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Solution

The fourth proportional to 35,173.82, 48,540.16 and 20,834.44 is: 28,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,173.82 : 48,540.16 = 20,834.44 : x
  2. Step 2: Convert to fraction form
    35,173.82/48,540.16 = 20,834.44/x
  3. Step 3: Cross multiply
    35,173.82x = 48,540.16 × 20,834.44
  4. Step 4: Simplify right side
    35,173.82x = 1,011,307,051.11
  5. Step 5: Solve for x
    x = 1,011,307,051.11/35,173.82
  6. Step 6: Final answer
    x = 28,751.70

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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.