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Finding the Fourth Proportional to 12,605.67, 17,395.97 and 7,016.67

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Solution

The fourth proportional to 12,605.67, 17,395.97 and 7,016.67 is: 9,683.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605.67 : 17,395.97 = 7,016.67 : x
  2. Step 2: Convert to fraction form
    12,605.67/17,395.97 = 7,016.67/x
  3. Step 3: Cross multiply
    12,605.67x = 17,395.97 × 7,016.67
  4. Step 4: Simplify right side
    12,605.67x = 122,061,745.74
  5. Step 5: Solve for x
    x = 122,061,745.74/12,605.67
  6. Step 6: Final answer
    x = 9,683.08

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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.