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Finding the Fourth Proportional to 6,353.05, 8,766.95 and 3,520.47

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Solution

The fourth proportional to 6,353.05, 8,766.95 and 3,520.47 is: 4,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,353.05 : 8,766.95 = 3,520.47 : x
  2. Step 2: Convert to fraction form
    6,353.05/8,766.95 = 3,520.47/x
  3. Step 3: Cross multiply
    6,353.05x = 8,766.95 × 3,520.47
  4. Step 4: Simplify right side
    6,353.05x = 30,863,749.43
  5. Step 5: Solve for x
    x = 30,863,749.43/6,353.05
  6. Step 6: Final answer
    x = 4,858.10

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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.