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Finding the Fourth Proportional to 3,300.86, 4,951.71 and 1,352.60

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Solution

The fourth proportional to 3,300.86, 4,951.71 and 1,352.60 is: 2,029.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.86 : 4,951.71 = 1,352.60 : x
  2. Step 2: Convert to fraction form
    3,300.86/4,951.71 = 1,352.60/x
  3. Step 3: Cross multiply
    3,300.86x = 4,951.71 × 1,352.60
  4. Step 4: Simplify right side
    3,300.86x = 6,697,658.19
  5. Step 5: Solve for x
    x = 6,697,658.19/3,300.86
  6. Step 6: Final answer
    x = 2,029.07

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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.