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Finding the Fourth Proportional to 3,555.49, 4,906.49 and 1,962.26

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Solution

The fourth proportional to 3,555.49, 4,906.49 and 1,962.26 is: 2,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.49 : 4,906.49 = 1,962.26 : x
  2. Step 2: Convert to fraction form
    3,555.49/4,906.49 = 1,962.26/x
  3. Step 3: Cross multiply
    3,555.49x = 4,906.49 × 1,962.26
  4. Step 4: Simplify right side
    3,555.49x = 9,627,829.00
  5. Step 5: Solve for x
    x = 9,627,829.00/3,555.49
  6. Step 6: Final answer
    x = 2,707.88

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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.