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Finding the Fourth Proportional to 38,096.80, 57,147.84 and 11,798.08

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Solution

The fourth proportional to 38,096.80, 57,147.84 and 11,798.08 is: 17,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,096.80 : 57,147.84 = 11,798.08 : x
  2. Step 2: Convert to fraction form
    38,096.80/57,147.84 = 11,798.08/x
  3. Step 3: Cross multiply
    38,096.80x = 57,147.84 × 11,798.08
  4. Step 4: Simplify right side
    38,096.80x = 674,234,788.15
  5. Step 5: Solve for x
    x = 674,234,788.15/38,096.80
  6. Step 6: Final answer
    x = 17,697.94

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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.