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Finding the Fourth Proportional to 8,654.39, 11,943.06 and 4,675.49

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Solution

The fourth proportional to 8,654.39, 11,943.06 and 4,675.49 is: 6,452.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,654.39 : 11,943.06 = 4,675.49 : x
  2. Step 2: Convert to fraction form
    8,654.39/11,943.06 = 4,675.49/x
  3. Step 3: Cross multiply
    8,654.39x = 11,943.06 × 4,675.49
  4. Step 4: Simplify right side
    8,654.39x = 55,839,634.22
  5. Step 5: Solve for x
    x = 55,839,634.22/8,654.39
  6. Step 6: Final answer
    x = 6,452.18

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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.