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Finding the Fourth Proportional to 5,855.88, 8,777.70 and 2,566.20

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Solution

The fourth proportional to 5,855.88, 8,777.70 and 2,566.20 is: 3,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.88 : 8,777.70 = 2,566.20 : x
  2. Step 2: Convert to fraction form
    5,855.88/8,777.70 = 2,566.20/x
  3. Step 3: Cross multiply
    5,855.88x = 8,777.70 × 2,566.20
  4. Step 4: Simplify right side
    5,855.88x = 22,525,333.74
  5. Step 5: Solve for x
    x = 22,525,333.74/5,855.88
  6. Step 6: Final answer
    x = 3,846.62

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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.