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Finding the Fourth Proportional to 4,892.86, 6,755.25 and 3,771.71

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Solution

The fourth proportional to 4,892.86, 6,755.25 and 3,771.71 is: 5,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.86 : 6,755.25 = 3,771.71 : x
  2. Step 2: Convert to fraction form
    4,892.86/6,755.25 = 3,771.71/x
  3. Step 3: Cross multiply
    4,892.86x = 6,755.25 × 3,771.71
  4. Step 4: Simplify right side
    4,892.86x = 25,478,866.46
  5. Step 5: Solve for x
    x = 25,478,866.46/4,892.86
  6. Step 6: Final answer
    x = 5,207.36

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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.