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Finding the Fourth Proportional to 3,054.48, 4,581.73 and 863.22

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Solution

The fourth proportional to 3,054.48, 4,581.73 and 863.22 is: 1,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.48 : 4,581.73 = 863.22 : x
  2. Step 2: Convert to fraction form
    3,054.48/4,581.73 = 863.22/x
  3. Step 3: Cross multiply
    3,054.48x = 4,581.73 × 863.22
  4. Step 4: Simplify right side
    3,054.48x = 3,955,059.23
  5. Step 5: Solve for x
    x = 3,955,059.23/3,054.48
  6. Step 6: Final answer
    x = 1,294.84

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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.