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Finding the Fourth Proportional to 3,509.87, 5,272.99 and 3,017.79

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Solution

The fourth proportional to 3,509.87, 5,272.99 and 3,017.79 is: 4,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.87 : 5,272.99 = 3,017.79 : x
  2. Step 2: Convert to fraction form
    3,509.87/5,272.99 = 3,017.79/x
  3. Step 3: Cross multiply
    3,509.87x = 5,272.99 × 3,017.79
  4. Step 4: Simplify right side
    3,509.87x = 15,912,768.95
  5. Step 5: Solve for x
    x = 15,912,768.95/3,509.87
  6. Step 6: Final answer
    x = 4,533.73

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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.