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Finding the Fourth Proportional to 3,684.58, 5,525.13 and 1,342.95

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Solution

The fourth proportional to 3,684.58, 5,525.13 and 1,342.95 is: 2,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.58 : 5,525.13 = 1,342.95 : x
  2. Step 2: Convert to fraction form
    3,684.58/5,525.13 = 1,342.95/x
  3. Step 3: Cross multiply
    3,684.58x = 5,525.13 × 1,342.95
  4. Step 4: Simplify right side
    3,684.58x = 7,419,973.33
  5. Step 5: Solve for x
    x = 7,419,973.33/3,684.58
  6. Step 6: Final answer
    x = 2,013.79

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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.