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Finding the Fourth Proportional to 2,565.96, 3,849.48 and 2,199.84

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Solution

The fourth proportional to 2,565.96, 3,849.48 and 2,199.84 is: 3,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.96 : 3,849.48 = 2,199.84 : x
  2. Step 2: Convert to fraction form
    2,565.96/3,849.48 = 2,199.84/x
  3. Step 3: Cross multiply
    2,565.96x = 3,849.48 × 2,199.84
  4. Step 4: Simplify right side
    2,565.96x = 8,468,240.08
  5. Step 5: Solve for x
    x = 8,468,240.08/2,565.96
  6. Step 6: Final answer
    x = 3,300.22

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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.