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Finding the Fourth Proportional to 3,969.51, 5,954.27 and 1,048.05

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Solution

The fourth proportional to 3,969.51, 5,954.27 and 1,048.05 is: 1,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.51 : 5,954.27 = 1,048.05 : x
  2. Step 2: Convert to fraction form
    3,969.51/5,954.27 = 1,048.05/x
  3. Step 3: Cross multiply
    3,969.51x = 5,954.27 × 1,048.05
  4. Step 4: Simplify right side
    3,969.51x = 6,240,367.43
  5. Step 5: Solve for x
    x = 6,240,367.43/3,969.51
  6. Step 6: Final answer
    x = 1,572.08

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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.