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Finding the Fourth Proportional to 4,494.72, 6,203.48 and 3,319.21

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Solution

The fourth proportional to 4,494.72, 6,203.48 and 3,319.21 is: 4,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,494.72 : 6,203.48 = 3,319.21 : x
  2. Step 2: Convert to fraction form
    4,494.72/6,203.48 = 3,319.21/x
  3. Step 3: Cross multiply
    4,494.72x = 6,203.48 × 3,319.21
  4. Step 4: Simplify right side
    4,494.72x = 20,590,652.85
  5. Step 5: Solve for x
    x = 20,590,652.85/4,494.72
  6. Step 6: Final answer
    x = 4,581.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.