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Finding the Fourth Proportional to 5,775.72, 8,652.70 and 2,850.60

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Solution

The fourth proportional to 5,775.72, 8,652.70 and 2,850.60 is: 4,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.72 : 8,652.70 = 2,850.60 : x
  2. Step 2: Convert to fraction form
    5,775.72/8,652.70 = 2,850.60/x
  3. Step 3: Cross multiply
    5,775.72x = 8,652.70 × 2,850.60
  4. Step 4: Simplify right side
    5,775.72x = 24,665,386.62
  5. Step 5: Solve for x
    x = 24,665,386.62/5,775.72
  6. Step 6: Final answer
    x = 4,270.53

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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.