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Finding the Fourth Proportional to 2,708.99, 4,059.23 and 2,094.20

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Solution

The fourth proportional to 2,708.99, 4,059.23 and 2,094.20 is: 3,138.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.99 : 4,059.23 = 2,094.20 : x
  2. Step 2: Convert to fraction form
    2,708.99/4,059.23 = 2,094.20/x
  3. Step 3: Cross multiply
    2,708.99x = 4,059.23 × 2,094.20
  4. Step 4: Simplify right side
    2,708.99x = 8,500,839.47
  5. Step 5: Solve for x
    x = 8,500,839.47/2,708.99
  6. Step 6: Final answer
    x = 3,138.01

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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.