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Finding the Fourth Proportional to 1,725.21, 2,584.37 and 799.51

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Solution

The fourth proportional to 1,725.21, 2,584.37 and 799.51 is: 1,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.21 : 2,584.37 = 799.51 : x
  2. Step 2: Convert to fraction form
    1,725.21/2,584.37 = 799.51/x
  3. Step 3: Cross multiply
    1,725.21x = 2,584.37 × 799.51
  4. Step 4: Simplify right side
    1,725.21x = 2,066,225.66
  5. Step 5: Solve for x
    x = 2,066,225.66/1,725.21
  6. Step 6: Final answer
    x = 1,197.67

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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.