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Finding the Fourth Proportional to 6,274.60, 9,412.79 and 1,892.39

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Solution

The fourth proportional to 6,274.60, 9,412.79 and 1,892.39 is: 2,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,274.60 : 9,412.79 = 1,892.39 : x
  2. Step 2: Convert to fraction form
    6,274.60/9,412.79 = 1,892.39/x
  3. Step 3: Cross multiply
    6,274.60x = 9,412.79 × 1,892.39
  4. Step 4: Simplify right side
    6,274.60x = 17,812,613.14
  5. Step 5: Solve for x
    x = 17,812,613.14/6,274.60
  6. Step 6: Final answer
    x = 2,838.85

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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.