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Finding the Fourth Proportional to 5,805.09, 8,014.71 and 3,818.97

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Solution

The fourth proportional to 5,805.09, 8,014.71 and 3,818.97 is: 5,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.09 : 8,014.71 = 3,818.97 : x
  2. Step 2: Convert to fraction form
    5,805.09/8,014.71 = 3,818.97/x
  3. Step 3: Cross multiply
    5,805.09x = 8,014.71 × 3,818.97
  4. Step 4: Simplify right side
    5,805.09x = 30,607,937.05
  5. Step 5: Solve for x
    x = 30,607,937.05/5,805.09
  6. Step 6: Final answer
    x = 5,272.60

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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.