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Finding the Fourth Proportional to 3,054.51, 4,581.77 and 863.26

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Solution

The fourth proportional to 3,054.51, 4,581.77 and 863.26 is: 1,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.51 : 4,581.77 = 863.26 : x
  2. Step 2: Convert to fraction form
    3,054.51/4,581.77 = 863.26/x
  3. Step 3: Cross multiply
    3,054.51x = 4,581.77 × 863.26
  4. Step 4: Simplify right side
    3,054.51x = 3,955,243.00
  5. Step 5: Solve for x
    x = 3,955,243.00/3,054.51
  6. Step 6: Final answer
    x = 1,294.89

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Similar ratio
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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.