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Finding the Fourth Proportional to 8,606.15, 11,846.22 and 7,541.39

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Solution

The fourth proportional to 8,606.15, 11,846.22 and 7,541.39 is: 10,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.15 : 11,846.22 = 7,541.39 : x
  2. Step 2: Convert to fraction form
    8,606.15/11,846.22 = 7,541.39/x
  3. Step 3: Cross multiply
    8,606.15x = 11,846.22 × 7,541.39
  4. Step 4: Simplify right side
    8,606.15x = 89,336,965.05
  5. Step 5: Solve for x
    x = 89,336,965.05/8,606.15
  6. Step 6: Final answer
    x = 10,380.60

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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.