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Finding the Fourth Proportional to 4,075.52, 5,618.97 and 4,020.44

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Solution

The fourth proportional to 4,075.52, 5,618.97 and 4,020.44 is: 5,543.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.52 : 5,618.97 = 4,020.44 : x
  2. Step 2: Convert to fraction form
    4,075.52/5,618.97 = 4,020.44/x
  3. Step 3: Cross multiply
    4,075.52x = 5,618.97 × 4,020.44
  4. Step 4: Simplify right side
    4,075.52x = 22,590,731.75
  5. Step 5: Solve for x
    x = 22,590,731.75/4,075.52
  6. Step 6: Final answer
    x = 5,543.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.