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Finding the Fourth Proportional to 3,285.02, 4,928.34 and 3,015.02

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Solution

The fourth proportional to 3,285.02, 4,928.34 and 3,015.02 is: 4,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.02 : 4,928.34 = 3,015.02 : x
  2. Step 2: Convert to fraction form
    3,285.02/4,928.34 = 3,015.02/x
  3. Step 3: Cross multiply
    3,285.02x = 4,928.34 × 3,015.02
  4. Step 4: Simplify right side
    3,285.02x = 14,859,043.67
  5. Step 5: Solve for x
    x = 14,859,043.67/3,285.02
  6. Step 6: Final answer
    x = 4,523.27

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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.