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Finding the Fourth Proportional to 15,072.75, 22,610.75 and 6,756.48

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Solution

The fourth proportional to 15,072.75, 22,610.75 and 6,756.48 is: 10,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072.75 : 22,610.75 = 6,756.48 : x
  2. Step 2: Convert to fraction form
    15,072.75/22,610.75 = 6,756.48/x
  3. Step 3: Cross multiply
    15,072.75x = 22,610.75 × 6,756.48
  4. Step 4: Simplify right side
    15,072.75x = 152,769,046.38
  5. Step 5: Solve for x
    x = 152,769,046.38/15,072.75
  6. Step 6: Final answer
    x = 10,135.45

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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.