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Finding the Fourth Proportional to 4,486.94, 6,724.24 and 2,291.04

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Solution

The fourth proportional to 4,486.94, 6,724.24 and 2,291.04 is: 3,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.94 : 6,724.24 = 2,291.04 : x
  2. Step 2: Convert to fraction form
    4,486.94/6,724.24 = 2,291.04/x
  3. Step 3: Cross multiply
    4,486.94x = 6,724.24 × 2,291.04
  4. Step 4: Simplify right side
    4,486.94x = 15,405,502.81
  5. Step 5: Solve for x
    x = 15,405,502.81/4,486.94
  6. Step 6: Final answer
    x = 3,433.41

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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.