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Finding the Fourth Proportional to 13,325.73, 20,007.03 and 6,756.50

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Solution

The fourth proportional to 13,325.73, 20,007.03 and 6,756.50 is: 10,144.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.73 : 20,007.03 = 6,756.50 : x
  2. Step 2: Convert to fraction form
    13,325.73/20,007.03 = 6,756.50/x
  3. Step 3: Cross multiply
    13,325.73x = 20,007.03 × 6,756.50
  4. Step 4: Simplify right side
    13,325.73x = 135,177,398.16
  5. Step 5: Solve for x
    x = 135,177,398.16/13,325.73
  6. Step 6: Final answer
    x = 10,144.09

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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.