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Finding the Fourth Proportional to 5,758.86, 8,639.10 and 2,837.19

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Solution

The fourth proportional to 5,758.86, 8,639.10 and 2,837.19 is: 4,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.86 : 8,639.10 = 2,837.19 : x
  2. Step 2: Convert to fraction form
    5,758.86/8,639.10 = 2,837.19/x
  3. Step 3: Cross multiply
    5,758.86x = 8,639.10 × 2,837.19
  4. Step 4: Simplify right side
    5,758.86x = 24,510,768.13
  5. Step 5: Solve for x
    x = 24,510,768.13/5,758.86
  6. Step 6: Final answer
    x = 4,256.18

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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.