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Finding the Fourth Proportional to 2,494.81, 3,441.52 and 1,904.32

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Solution

The fourth proportional to 2,494.81, 3,441.52 and 1,904.32 is: 2,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,494.81 : 3,441.52 = 1,904.32 : x
  2. Step 2: Convert to fraction form
    2,494.81/3,441.52 = 1,904.32/x
  3. Step 3: Cross multiply
    2,494.81x = 3,441.52 × 1,904.32
  4. Step 4: Simplify right side
    2,494.81x = 6,553,755.37
  5. Step 5: Solve for x
    x = 6,553,755.37/2,494.81
  6. Step 6: Final answer
    x = 2,626.96

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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.