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Finding the Fourth Proportional to 2,326.26, 3,489.76 and 845.61

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Solution

The fourth proportional to 2,326.26, 3,489.76 and 845.61 is: 1,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.26 : 3,489.76 = 845.61 : x
  2. Step 2: Convert to fraction form
    2,326.26/3,489.76 = 845.61/x
  3. Step 3: Cross multiply
    2,326.26x = 3,489.76 × 845.61
  4. Step 4: Simplify right side
    2,326.26x = 2,950,973.84
  5. Step 5: Solve for x
    x = 2,950,973.84/2,326.26
  6. Step 6: Final answer
    x = 1,268.55

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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.