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Finding the Fourth Proportional to 13,172.67, 19,745.67 and 4,736.67

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Solution

The fourth proportional to 13,172.67, 19,745.67 and 4,736.67 is: 7,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.67 : 19,745.67 = 4,736.67 : x
  2. Step 2: Convert to fraction form
    13,172.67/19,745.67 = 4,736.67/x
  3. Step 3: Cross multiply
    13,172.67x = 19,745.67 × 4,736.67
  4. Step 4: Simplify right side
    13,172.67x = 93,528,722.72
  5. Step 5: Solve for x
    x = 93,528,722.72/13,172.67
  6. Step 6: Final answer
    x = 7,100.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.