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Finding the Fourth Proportional to 5,855.76, 8,776.08 and 2,388.96

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Solution

The fourth proportional to 5,855.76, 8,776.08 and 2,388.96 is: 3,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.76 : 8,776.08 = 2,388.96 : x
  2. Step 2: Convert to fraction form
    5,855.76/8,776.08 = 2,388.96/x
  3. Step 3: Cross multiply
    5,855.76x = 8,776.08 × 2,388.96
  4. Step 4: Simplify right side
    5,855.76x = 20,965,704.08
  5. Step 5: Solve for x
    x = 20,965,704.08/5,855.76
  6. Step 6: Final answer
    x = 3,580.36

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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.