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Finding the Fourth Proportional to 5,593.86, 7,719.69 and 3,076.20

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Solution

The fourth proportional to 5,593.86, 7,719.69 and 3,076.20 is: 4,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,593.86 : 7,719.69 = 3,076.20 : x
  2. Step 2: Convert to fraction form
    5,593.86/7,719.69 = 3,076.20/x
  3. Step 3: Cross multiply
    5,593.86x = 7,719.69 × 3,076.20
  4. Step 4: Simplify right side
    5,593.86x = 23,747,310.38
  5. Step 5: Solve for x
    x = 23,747,310.38/5,593.86
  6. Step 6: Final answer
    x = 4,245.25

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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.