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Finding the Fourth Proportional to 6,352.60, 8,722.07 and 5,164.60

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Solution

The fourth proportional to 6,352.60, 8,722.07 and 5,164.60 is: 7,090.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,352.60 : 8,722.07 = 5,164.60 : x
  2. Step 2: Convert to fraction form
    6,352.60/8,722.07 = 5,164.60/x
  3. Step 3: Cross multiply
    6,352.60x = 8,722.07 × 5,164.60
  4. Step 4: Simplify right side
    6,352.60x = 45,046,002.72
  5. Step 5: Solve for x
    x = 45,046,002.72/6,352.60
  6. Step 6: Final answer
    x = 7,090.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.