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Finding the Fourth Proportional to 35,500.25, 48,990.34 and 19,584.70

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Solution

The fourth proportional to 35,500.25, 48,990.34 and 19,584.70 is: 27,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,500.25 : 48,990.34 = 19,584.70 : x
  2. Step 2: Convert to fraction form
    35,500.25/48,990.34 = 19,584.70/x
  3. Step 3: Cross multiply
    35,500.25x = 48,990.34 × 19,584.70
  4. Step 4: Simplify right side
    35,500.25x = 959,460,768.92
  5. Step 5: Solve for x
    x = 959,460,768.92/35,500.25
  6. Step 6: Final answer
    x = 27,026.88

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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.