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Finding the Fourth Proportional to 12,682.99, 17,502.40 and 7,093.99

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Solution

The fourth proportional to 12,682.99, 17,502.40 and 7,093.99 is: 9,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.99 : 17,502.40 = 7,093.99 : x
  2. Step 2: Convert to fraction form
    12,682.99/17,502.40 = 7,093.99/x
  3. Step 3: Cross multiply
    12,682.99x = 17,502.40 × 7,093.99
  4. Step 4: Simplify right side
    12,682.99x = 124,161,789.09
  5. Step 5: Solve for x
    x = 124,161,789.09/12,682.99
  6. Step 6: Final answer
    x = 9,789.63

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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.