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Finding the Fourth Proportional to 4,170.99, 6,256.46 and 1,673.30

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Solution

The fourth proportional to 4,170.99, 6,256.46 and 1,673.30 is: 2,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.99 : 6,256.46 = 1,673.30 : x
  2. Step 2: Convert to fraction form
    4,170.99/6,256.46 = 1,673.30/x
  3. Step 3: Cross multiply
    4,170.99x = 6,256.46 × 1,673.30
  4. Step 4: Simplify right side
    4,170.99x = 10,468,894.87
  5. Step 5: Solve for x
    x = 10,468,894.87/4,170.99
  6. Step 6: Final answer
    x = 2,509.93

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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.