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Finding the Fourth Proportional to 5,366.90, 8,050.08 and 1,855.82

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Solution

The fourth proportional to 5,366.90, 8,050.08 and 1,855.82 is: 2,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.90 : 8,050.08 = 1,855.82 : x
  2. Step 2: Convert to fraction form
    5,366.90/8,050.08 = 1,855.82/x
  3. Step 3: Cross multiply
    5,366.90x = 8,050.08 × 1,855.82
  4. Step 4: Simplify right side
    5,366.90x = 14,939,499.47
  5. Step 5: Solve for x
    x = 14,939,499.47/5,366.90
  6. Step 6: Final answer
    x = 2,783.64

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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.