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Finding the Fourth Proportional to 3,969.51, 5,954.87 and 1,048.04

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Solution

The fourth proportional to 3,969.51, 5,954.87 and 1,048.04 is: 1,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.51 : 5,954.87 = 1,048.04 : x
  2. Step 2: Convert to fraction form
    3,969.51/5,954.87 = 1,048.04/x
  3. Step 3: Cross multiply
    3,969.51x = 5,954.87 × 1,048.04
  4. Step 4: Simplify right side
    3,969.51x = 6,240,959.46
  5. Step 5: Solve for x
    x = 6,240,959.46/3,969.51
  6. Step 6: Final answer
    x = 1,572.22

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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.