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Finding the Fourth Proportional to 18,763.93, 28,026.04 and 16,982.26

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Solution

The fourth proportional to 18,763.93, 28,026.04 and 16,982.26 is: 25,364.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763.93 : 28,026.04 = 16,982.26 : x
  2. Step 2: Convert to fraction form
    18,763.93/28,026.04 = 16,982.26/x
  3. Step 3: Cross multiply
    18,763.93x = 28,026.04 × 16,982.26
  4. Step 4: Simplify right side
    18,763.93x = 475,945,393.49
  5. Step 5: Solve for x
    x = 475,945,393.49/18,763.93
  6. Step 6: Final answer
    x = 25,364.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.