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Finding the Fourth Proportional to 3,185, 4,397.94 and 2,525.24

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Solution

The fourth proportional to 3,185, 4,397.94 and 2,525.24 is: 3,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185 : 4,397.94 = 2,525.24 : x
  2. Step 2: Convert to fraction form
    3,185/4,397.94 = 2,525.24/x
  3. Step 3: Cross multiply
    3,185x = 4,397.94 × 2,525.24
  4. Step 4: Simplify right side
    3,185x = 11,105,854.01
  5. Step 5: Solve for x
    x = 11,105,854.01/3,185
  6. Step 6: Final answer
    x = 3,486.92

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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.