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Finding the Fourth Proportional to 35,350.76, 48,786.84 and 20,248.17

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Solution

The fourth proportional to 35,350.76, 48,786.84 and 20,248.17 is: 27,944.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,350.76 : 48,786.84 = 20,248.17 : x
  2. Step 2: Convert to fraction form
    35,350.76/48,786.84 = 20,248.17/x
  3. Step 3: Cross multiply
    35,350.76x = 48,786.84 × 20,248.17
  4. Step 4: Simplify right side
    35,350.76x = 987,844,230.08
  5. Step 5: Solve for x
    x = 987,844,230.08/35,350.76
  6. Step 6: Final answer
    x = 27,944.08

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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.