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Finding the Fourth Proportional to 10,686.70, 16,025.01 and 6,245.64

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Solution

The fourth proportional to 10,686.70, 16,025.01 and 6,245.64 is: 9,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.70 : 16,025.01 = 6,245.64 : x
  2. Step 2: Convert to fraction form
    10,686.70/16,025.01 = 6,245.64/x
  3. Step 3: Cross multiply
    10,686.70x = 16,025.01 × 6,245.64
  4. Step 4: Simplify right side
    10,686.70x = 100,086,420.04
  5. Step 5: Solve for x
    x = 100,086,420.04/10,686.70
  6. Step 6: Final answer
    x = 9,365.51

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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.