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Finding the Fourth Proportional to 2,550.98, 3,826.30 and 907.30

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Solution

The fourth proportional to 2,550.98, 3,826.30 and 907.30 is: 1,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.98 : 3,826.30 = 907.30 : x
  2. Step 2: Convert to fraction form
    2,550.98/3,826.30 = 907.30/x
  3. Step 3: Cross multiply
    2,550.98x = 3,826.30 × 907.30
  4. Step 4: Simplify right side
    2,550.98x = 3,471,601.99
  5. Step 5: Solve for x
    x = 3,471,601.99/2,550.98
  6. Step 6: Final answer
    x = 1,360.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.