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Finding the Fourth Proportional to 34,806.72, 48,021.84 and 19,697.88

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Solution

The fourth proportional to 34,806.72, 48,021.84 and 19,697.88 is: 27,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,806.72 : 48,021.84 = 19,697.88 : x
  2. Step 2: Convert to fraction form
    34,806.72/48,021.84 = 19,697.88/x
  3. Step 3: Cross multiply
    34,806.72x = 48,021.84 × 19,697.88
  4. Step 4: Simplify right side
    34,806.72x = 945,928,441.70
  5. Step 5: Solve for x
    x = 945,928,441.70/34,806.72
  6. Step 6: Final answer
    x = 27,176.60

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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.