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Finding the Fourth Proportional to 5,710.86, 8,565.78 and 2,012.79

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Solution

The fourth proportional to 5,710.86, 8,565.78 and 2,012.79 is: 3,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710.86 : 8,565.78 = 2,012.79 : x
  2. Step 2: Convert to fraction form
    5,710.86/8,565.78 = 2,012.79/x
  3. Step 3: Cross multiply
    5,710.86x = 8,565.78 × 2,012.79
  4. Step 4: Simplify right side
    5,710.86x = 17,241,116.33
  5. Step 5: Solve for x
    x = 17,241,116.33/5,710.86
  6. Step 6: Final answer
    x = 3,019.01

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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.