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Finding the Fourth Proportional to 2,340.44, 3,509.04 and 1,168.78

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Solution

The fourth proportional to 2,340.44, 3,509.04 and 1,168.78 is: 1,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.44 : 3,509.04 = 1,168.78 : x
  2. Step 2: Convert to fraction form
    2,340.44/3,509.04 = 1,168.78/x
  3. Step 3: Cross multiply
    2,340.44x = 3,509.04 × 1,168.78
  4. Step 4: Simplify right side
    2,340.44x = 4,101,287.00
  5. Step 5: Solve for x
    x = 4,101,287.00/2,340.44
  6. Step 6: Final answer
    x = 1,752.36

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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.