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Finding the Fourth Proportional to 25,242.45, 37,863.67 and 6,774.45

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Solution

The fourth proportional to 25,242.45, 37,863.67 and 6,774.45 is: 10,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,242.45 : 37,863.67 = 6,774.45 : x
  2. Step 2: Convert to fraction form
    25,242.45/37,863.67 = 6,774.45/x
  3. Step 3: Cross multiply
    25,242.45x = 37,863.67 × 6,774.45
  4. Step 4: Simplify right side
    25,242.45x = 256,505,380.31
  5. Step 5: Solve for x
    x = 256,505,380.31/25,242.45
  6. Step 6: Final answer
    x = 10,161.67

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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.