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Finding the Fourth Proportional to 35,469.77, 48,947.69 and 19,555.70

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Solution

The fourth proportional to 35,469.77, 48,947.69 and 19,555.70 is: 26,986.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,469.77 : 48,947.69 = 19,555.70 : x
  2. Step 2: Convert to fraction form
    35,469.77/48,947.69 = 19,555.70/x
  3. Step 3: Cross multiply
    35,469.77x = 48,947.69 × 19,555.70
  4. Step 4: Simplify right side
    35,469.77x = 957,206,145.48
  5. Step 5: Solve for x
    x = 957,206,145.48/35,469.77
  6. Step 6: Final answer
    x = 26,986.54

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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.