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Finding the Fourth Proportional to 35,503.58, 48,997.86 and 20,194.92

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Solution

The fourth proportional to 35,503.58, 48,997.86 and 20,194.92 is: 27,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,503.58 : 48,997.86 = 20,194.92 : x
  2. Step 2: Convert to fraction form
    35,503.58/48,997.86 = 20,194.92/x
  3. Step 3: Cross multiply
    35,503.58x = 48,997.86 × 20,194.92
  4. Step 4: Simplify right side
    35,503.58x = 989,507,791.27
  5. Step 5: Solve for x
    x = 989,507,791.27/35,503.58
  6. Step 6: Final answer
    x = 27,870.65

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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.