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Finding the Fourth Proportional to 2,675.58, 3,684.60 and 2,205.51

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Solution

The fourth proportional to 2,675.58, 3,684.60 and 2,205.51 is: 3,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.58 : 3,684.60 = 2,205.51 : x
  2. Step 2: Convert to fraction form
    2,675.58/3,684.60 = 2,205.51/x
  3. Step 3: Cross multiply
    2,675.58x = 3,684.60 × 2,205.51
  4. Step 4: Simplify right side
    2,675.58x = 8,126,422.15
  5. Step 5: Solve for x
    x = 8,126,422.15/2,675.58
  6. Step 6: Final answer
    x = 3,037.26

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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.