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Finding the Fourth Proportional to 4,399.76, 6,600.96 and 1,802.88

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Solution

The fourth proportional to 4,399.76, 6,600.96 and 1,802.88 is: 2,704.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.76 : 6,600.96 = 1,802.88 : x
  2. Step 2: Convert to fraction form
    4,399.76/6,600.96 = 1,802.88/x
  3. Step 3: Cross multiply
    4,399.76x = 6,600.96 × 1,802.88
  4. Step 4: Simplify right side
    4,399.76x = 11,900,738.76
  5. Step 5: Solve for x
    x = 11,900,738.76/4,399.76
  6. Step 6: Final answer
    x = 2,704.86

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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.