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Finding the Fourth Proportional to 3,559.69, 5,339.54 and 1,804.42

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Solution

The fourth proportional to 3,559.69, 5,339.54 and 1,804.42 is: 2,706.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.69 : 5,339.54 = 1,804.42 : x
  2. Step 2: Convert to fraction form
    3,559.69/5,339.54 = 1,804.42/x
  3. Step 3: Cross multiply
    3,559.69x = 5,339.54 × 1,804.42
  4. Step 4: Simplify right side
    3,559.69x = 9,634,772.77
  5. Step 5: Solve for x
    x = 9,634,772.77/3,559.69
  6. Step 6: Final answer
    x = 2,706.63

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Similar ratio
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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.