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Finding the Fourth Proportional to 3,838.94, 5,758.15 and 1,498.51

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Solution

The fourth proportional to 3,838.94, 5,758.15 and 1,498.51 is: 2,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.94 : 5,758.15 = 1,498.51 : x
  2. Step 2: Convert to fraction form
    3,838.94/5,758.15 = 1,498.51/x
  3. Step 3: Cross multiply
    3,838.94x = 5,758.15 × 1,498.51
  4. Step 4: Simplify right side
    3,838.94x = 8,628,645.36
  5. Step 5: Solve for x
    x = 8,628,645.36/3,838.94
  6. Step 6: Final answer
    x = 2,247.66

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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.