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Finding the Fourth Proportional to 37,912.72, 56,867.02 and 11,617.54

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Solution

The fourth proportional to 37,912.72, 56,867.02 and 11,617.54 is: 17,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.72 : 56,867.02 = 11,617.54 : x
  2. Step 2: Convert to fraction form
    37,912.72/56,867.02 = 11,617.54/x
  3. Step 3: Cross multiply
    37,912.72x = 56,867.02 × 11,617.54
  4. Step 4: Simplify right side
    37,912.72x = 660,654,595.20
  5. Step 5: Solve for x
    x = 660,654,595.20/37,912.72
  6. Step 6: Final answer
    x = 17,425.67

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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.