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Finding the Fourth Proportional to 3,054.24, 4,581.48 and 863.16

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Solution

The fourth proportional to 3,054.24, 4,581.48 and 863.16 is: 1,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.24 : 4,581.48 = 863.16 : x
  2. Step 2: Convert to fraction form
    3,054.24/4,581.48 = 863.16/x
  3. Step 3: Cross multiply
    3,054.24x = 4,581.48 × 863.16
  4. Step 4: Simplify right side
    3,054.24x = 3,954,550.28
  5. Step 5: Solve for x
    x = 3,954,550.28/3,054.24
  6. Step 6: Final answer
    x = 1,294.77

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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.