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Finding the Fourth Proportional to 37,046.62, 51,125.79 and 20,279.62

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Solution

The fourth proportional to 37,046.62, 51,125.79 and 20,279.62 is: 27,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,046.62 : 51,125.79 = 20,279.62 : x
  2. Step 2: Convert to fraction form
    37,046.62/51,125.79 = 20,279.62/x
  3. Step 3: Cross multiply
    37,046.62x = 51,125.79 × 20,279.62
  4. Step 4: Simplify right side
    37,046.62x = 1,036,811,593.40
  5. Step 5: Solve for x
    x = 1,036,811,593.40/37,046.62
  6. Step 6: Final answer
    x = 27,986.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.