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Finding the Fourth Proportional to 12,536.76, 17,301.42 and 6,947.64

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Solution

The fourth proportional to 12,536.76, 17,301.42 and 6,947.64 is: 9,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.76 : 17,301.42 = 6,947.64 : x
  2. Step 2: Convert to fraction form
    12,536.76/17,301.42 = 6,947.64/x
  3. Step 3: Cross multiply
    12,536.76x = 17,301.42 × 6,947.64
  4. Step 4: Simplify right side
    12,536.76x = 120,204,037.65
  5. Step 5: Solve for x
    x = 120,204,037.65/12,536.76
  6. Step 6: Final answer
    x = 9,588.13

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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.