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Finding the Fourth Proportional to 5,781.93, 8,670.19 and 2,083.67

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Solution

The fourth proportional to 5,781.93, 8,670.19 and 2,083.67 is: 3,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.93 : 8,670.19 = 2,083.67 : x
  2. Step 2: Convert to fraction form
    5,781.93/8,670.19 = 2,083.67/x
  3. Step 3: Cross multiply
    5,781.93x = 8,670.19 × 2,083.67
  4. Step 4: Simplify right side
    5,781.93x = 18,065,814.80
  5. Step 5: Solve for x
    x = 18,065,814.80/5,781.93
  6. Step 6: Final answer
    x = 3,124.53

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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.