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Finding the Fourth Proportional to 5,404.53, 8,106.80 and 2,802

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Solution

The fourth proportional to 5,404.53, 8,106.80 and 2,802 is: 4,203

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.53 : 8,106.80 = 2,802 : x
  2. Step 2: Convert to fraction form
    5,404.53/8,106.80 = 2,802/x
  3. Step 3: Cross multiply
    5,404.53x = 8,106.80 × 2,802
  4. Step 4: Simplify right side
    5,404.53x = 22,715,239.59
  5. Step 5: Solve for x
    x = 22,715,239.59/5,404.53
  6. Step 6: Final answer
    x = 4,203

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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.