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Finding the Fourth Proportional to 3,365.76, 5,010.72 and 3,349.44

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Solution

The fourth proportional to 3,365.76, 5,010.72 and 3,349.44 is: 4,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.76 : 5,010.72 = 3,349.44 : x
  2. Step 2: Convert to fraction form
    3,365.76/5,010.72 = 3,349.44/x
  3. Step 3: Cross multiply
    3,365.76x = 5,010.72 × 3,349.44
  4. Step 4: Simplify right side
    3,365.76x = 16,783,106.00
  5. Step 5: Solve for x
    x = 16,783,106.00/3,365.76
  6. Step 6: Final answer
    x = 4,986.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.