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Finding the Fourth Proportional to 5,855.26, 8,076.18 and 5,662.42

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Solution

The fourth proportional to 5,855.26, 8,076.18 and 5,662.42 is: 7,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.26 : 8,076.18 = 5,662.42 : x
  2. Step 2: Convert to fraction form
    5,855.26/8,076.18 = 5,662.42/x
  3. Step 3: Cross multiply
    5,855.26x = 8,076.18 × 5,662.42
  4. Step 4: Simplify right side
    5,855.26x = 45,730,723.16
  5. Step 5: Solve for x
    x = 45,730,723.16/5,855.26
  6. Step 6: Final answer
    x = 7,810.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.