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Finding the Fourth Proportional to 5,855.86, 8,783.80 and 2,393.11

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Solution

The fourth proportional to 5,855.86, 8,783.80 and 2,393.11 is: 3,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.86 : 8,783.80 = 2,393.11 : x
  2. Step 2: Convert to fraction form
    5,855.86/8,783.80 = 2,393.11/x
  3. Step 3: Cross multiply
    5,855.86x = 8,783.80 × 2,393.11
  4. Step 4: Simplify right side
    5,855.86x = 21,020,583.64
  5. Step 5: Solve for x
    x = 21,020,583.64/5,855.86
  6. Step 6: Final answer
    x = 3,589.67

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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.