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Finding the Fourth Proportional to 3,197.76, 4,769.60 and 3,100.56

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Solution

The fourth proportional to 3,197.76, 4,769.60 and 3,100.56 is: 4,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.76 : 4,769.60 = 3,100.56 : x
  2. Step 2: Convert to fraction form
    3,197.76/4,769.60 = 3,100.56/x
  3. Step 3: Cross multiply
    3,197.76x = 4,769.60 × 3,100.56
  4. Step 4: Simplify right side
    3,197.76x = 14,788,430.98
  5. Step 5: Solve for x
    x = 14,788,430.98/3,197.76
  6. Step 6: Final answer
    x = 4,624.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.