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Finding the Fourth Proportional to 35,469.42, 48,947.13 and 19,336.90

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Solution

The fourth proportional to 35,469.42, 48,947.13 and 19,336.90 is: 26,684.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,469.42 : 48,947.13 = 19,336.90 : x
  2. Step 2: Convert to fraction form
    35,469.42/48,947.13 = 19,336.90/x
  3. Step 3: Cross multiply
    35,469.42x = 48,947.13 × 19,336.90
  4. Step 4: Simplify right side
    35,469.42x = 946,485,758.10
  5. Step 5: Solve for x
    x = 946,485,758.10/35,469.42
  6. Step 6: Final answer
    x = 26,684.56

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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.