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Finding the Fourth Proportional to 2,333.04, 3,221.04 and 1,908.60

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Solution

The fourth proportional to 2,333.04, 3,221.04 and 1,908.60 is: 2,635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.04 : 3,221.04 = 1,908.60 : x
  2. Step 2: Convert to fraction form
    2,333.04/3,221.04 = 1,908.60/x
  3. Step 3: Cross multiply
    2,333.04x = 3,221.04 × 1,908.60
  4. Step 4: Simplify right side
    2,333.04x = 6,147,676.94
  5. Step 5: Solve for x
    x = 6,147,676.94/2,333.04
  6. Step 6: Final answer
    x = 2,635.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.