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Finding the Fourth Proportional to 12,659.93, 17,475.36 and 7,624.36

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Solution

The fourth proportional to 12,659.93, 17,475.36 and 7,624.36 is: 10,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659.93 : 17,475.36 = 7,624.36 : x
  2. Step 2: Convert to fraction form
    12,659.93/17,475.36 = 7,624.36/x
  3. Step 3: Cross multiply
    12,659.93x = 17,475.36 × 7,624.36
  4. Step 4: Simplify right side
    12,659.93x = 133,238,471.91
  5. Step 5: Solve for x
    x = 133,238,471.91/12,659.93
  6. Step 6: Final answer
    x = 10,524.43

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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.