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Finding the Fourth Proportional to 4,908.62, 6,773.31 and 2,784.39

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Solution

The fourth proportional to 4,908.62, 6,773.31 and 2,784.39 is: 3,842.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.62 : 6,773.31 = 2,784.39 : x
  2. Step 2: Convert to fraction form
    4,908.62/6,773.31 = 2,784.39/x
  3. Step 3: Cross multiply
    4,908.62x = 6,773.31 × 2,784.39
  4. Step 4: Simplify right side
    4,908.62x = 18,859,536.63
  5. Step 5: Solve for x
    x = 18,859,536.63/4,908.62
  6. Step 6: Final answer
    x = 3,842.13

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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.