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Finding the Fourth Proportional to 5,394.54, 8,075.08 and 2,923.23

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Solution

The fourth proportional to 5,394.54, 8,075.08 and 2,923.23 is: 4,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.54 : 8,075.08 = 2,923.23 : x
  2. Step 2: Convert to fraction form
    5,394.54/8,075.08 = 2,923.23/x
  3. Step 3: Cross multiply
    5,394.54x = 8,075.08 × 2,923.23
  4. Step 4: Simplify right side
    5,394.54x = 23,605,316.11
  5. Step 5: Solve for x
    x = 23,605,316.11/5,394.54
  6. Step 6: Final answer
    x = 4,375.78

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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.