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Finding the Fourth Proportional to 1,923.98, 2,886.04 and 537.26

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Solution

The fourth proportional to 1,923.98, 2,886.04 and 537.26 is: 805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.98 : 2,886.04 = 537.26 : x
  2. Step 2: Convert to fraction form
    1,923.98/2,886.04 = 537.26/x
  3. Step 3: Cross multiply
    1,923.98x = 2,886.04 × 537.26
  4. Step 4: Simplify right side
    1,923.98x = 1,550,553.85
  5. Step 5: Solve for x
    x = 1,550,553.85/1,923.98
  6. Step 6: Final answer
    x = 805.91

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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.