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Finding the Fourth Proportional to 2,039.47, 3,058.74 and 998.43

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Solution

The fourth proportional to 2,039.47, 3,058.74 and 998.43 is: 1,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.47 : 3,058.74 = 998.43 : x
  2. Step 2: Convert to fraction form
    2,039.47/3,058.74 = 998.43/x
  3. Step 3: Cross multiply
    2,039.47x = 3,058.74 × 998.43
  4. Step 4: Simplify right side
    2,039.47x = 3,053,923.50
  5. Step 5: Solve for x
    x = 3,053,923.50/2,039.47
  6. Step 6: Final answer
    x = 1,497.41

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1.5x scale

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.