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Finding the Fourth Proportional to 4,992.39, 6,839.56 and 4,805.46

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Solution

The fourth proportional to 4,992.39, 6,839.56 and 4,805.46 is: 6,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.39 : 6,839.56 = 4,805.46 : x
  2. Step 2: Convert to fraction form
    4,992.39/6,839.56 = 4,805.46/x
  3. Step 3: Cross multiply
    4,992.39x = 6,839.56 × 4,805.46
  4. Step 4: Simplify right side
    4,992.39x = 32,867,232.00
  5. Step 5: Solve for x
    x = 32,867,232.00/4,992.39
  6. Step 6: Final answer
    x = 6,583.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.