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Finding the Fourth Proportional to 12,606.57, 17,397.52 and 6,941.57

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Solution

The fourth proportional to 12,606.57, 17,397.52 and 6,941.57 is: 9,579.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606.57 : 17,397.52 = 6,941.57 : x
  2. Step 2: Convert to fraction form
    12,606.57/17,397.52 = 6,941.57/x
  3. Step 3: Cross multiply
    12,606.57x = 17,397.52 × 6,941.57
  4. Step 4: Simplify right side
    12,606.57x = 120,765,998.56
  5. Step 5: Solve for x
    x = 120,765,998.56/12,606.57
  6. Step 6: Final answer
    x = 9,579.61

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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.