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Finding the Fourth Proportional to 10,181.07, 15,270.15 and 3,944.07

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Solution

The fourth proportional to 10,181.07, 15,270.15 and 3,944.07 is: 5,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.07 : 15,270.15 = 3,944.07 : x
  2. Step 2: Convert to fraction form
    10,181.07/15,270.15 = 3,944.07/x
  3. Step 3: Cross multiply
    10,181.07x = 15,270.15 × 3,944.07
  4. Step 4: Simplify right side
    10,181.07x = 60,226,540.51
  5. Step 5: Solve for x
    x = 60,226,540.51/10,181.07
  6. Step 6: Final answer
    x = 5,915.54

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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.