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Finding the Fourth Proportional to 6,274.96, 9,412.80 and 2,114.80

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Solution

The fourth proportional to 6,274.96, 9,412.80 and 2,114.80 is: 3,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,274.96 : 9,412.80 = 2,114.80 : x
  2. Step 2: Convert to fraction form
    6,274.96/9,412.80 = 2,114.80/x
  3. Step 3: Cross multiply
    6,274.96x = 9,412.80 × 2,114.80
  4. Step 4: Simplify right side
    6,274.96x = 19,906,189.44
  5. Step 5: Solve for x
    x = 19,906,189.44/6,274.96
  6. Step 6: Final answer
    x = 3,172.32

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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.