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Finding the Fourth Proportional to 5,670.86, 8,507.19 and 2,384.89

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Solution

The fourth proportional to 5,670.86, 8,507.19 and 2,384.89 is: 3,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.86 : 8,507.19 = 2,384.89 : x
  2. Step 2: Convert to fraction form
    5,670.86/8,507.19 = 2,384.89/x
  3. Step 3: Cross multiply
    5,670.86x = 8,507.19 × 2,384.89
  4. Step 4: Simplify right side
    5,670.86x = 20,288,691.09
  5. Step 5: Solve for x
    x = 20,288,691.09/5,670.86
  6. Step 6: Final answer
    x = 3,577.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.