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Finding the Fourth Proportional to 12,749.41, 17,593.96 and 7,083.94

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Solution

The fourth proportional to 12,749.41, 17,593.96 and 7,083.94 is: 9,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.41 : 17,593.96 = 7,083.94 : x
  2. Step 2: Convert to fraction form
    12,749.41/17,593.96 = 7,083.94/x
  3. Step 3: Cross multiply
    12,749.41x = 17,593.96 × 7,083.94
  4. Step 4: Simplify right side
    12,749.41x = 124,634,615.80
  5. Step 5: Solve for x
    x = 124,634,615.80/12,749.41
  6. Step 6: Final answer
    x = 9,775.71

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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.