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Finding the Fourth Proportional to 4,986.36, 7,479.47 and 1,701.74

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Solution

The fourth proportional to 4,986.36, 7,479.47 and 1,701.74 is: 2,552.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.36 : 7,479.47 = 1,701.74 : x
  2. Step 2: Convert to fraction form
    4,986.36/7,479.47 = 1,701.74/x
  3. Step 3: Cross multiply
    4,986.36x = 7,479.47 × 1,701.74
  4. Step 4: Simplify right side
    4,986.36x = 12,728,136.23
  5. Step 5: Solve for x
    x = 12,728,136.23/4,986.36
  6. Step 6: Final answer
    x = 2,552.59

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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.