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Finding the Fourth Proportional to 2,606.94, 3,910.40 and 2,454.78

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Solution

The fourth proportional to 2,606.94, 3,910.40 and 2,454.78 is: 3,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606.94 : 3,910.40 = 2,454.78 : x
  2. Step 2: Convert to fraction form
    2,606.94/3,910.40 = 2,454.78/x
  3. Step 3: Cross multiply
    2,606.94x = 3,910.40 × 2,454.78
  4. Step 4: Simplify right side
    2,606.94x = 9,599,171.71
  5. Step 5: Solve for x
    x = 9,599,171.71/2,606.94
  6. Step 6: Final answer
    x = 3,682.16

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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.