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Finding the Fourth Proportional to 3,358.79, 5,039.03 and 1,973.29

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Solution

The fourth proportional to 3,358.79, 5,039.03 and 1,973.29 is: 2,960.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.79 : 5,039.03 = 1,973.29 : x
  2. Step 2: Convert to fraction form
    3,358.79/5,039.03 = 1,973.29/x
  3. Step 3: Cross multiply
    3,358.79x = 5,039.03 × 1,973.29
  4. Step 4: Simplify right side
    3,358.79x = 9,943,467.51
  5. Step 5: Solve for x
    x = 9,943,467.51/3,358.79
  6. Step 6: Final answer
    x = 2,960.44

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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.