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Finding the Fourth Proportional to 4,412.94, 6,619.40 and 2,221.14

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Solution

The fourth proportional to 4,412.94, 6,619.40 and 2,221.14 is: 3,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.94 : 6,619.40 = 2,221.14 : x
  2. Step 2: Convert to fraction form
    4,412.94/6,619.40 = 2,221.14/x
  3. Step 3: Cross multiply
    4,412.94x = 6,619.40 × 2,221.14
  4. Step 4: Simplify right side
    4,412.94x = 14,702,614.12
  5. Step 5: Solve for x
    x = 14,702,614.12/4,412.94
  6. Step 6: Final answer
    x = 3,331.70

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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.