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Finding the Fourth Proportional to 12,362.05, 17,057.07 and 7,058.59

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Solution

The fourth proportional to 12,362.05, 17,057.07 and 7,058.59 is: 9,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.05 : 17,057.07 = 7,058.59 : x
  2. Step 2: Convert to fraction form
    12,362.05/17,057.07 = 7,058.59/x
  3. Step 3: Cross multiply
    12,362.05x = 17,057.07 × 7,058.59
  4. Step 4: Simplify right side
    12,362.05x = 120,398,863.73
  5. Step 5: Solve for x
    x = 120,398,863.73/12,362.05
  6. Step 6: Final answer
    x = 9,739.39

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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.