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Finding the Fourth Proportional to 3,751.01, 5,626.52 and 2,928.05

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Solution

The fourth proportional to 3,751.01, 5,626.52 and 2,928.05 is: 4,392.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.01 : 5,626.52 = 2,928.05 : x
  2. Step 2: Convert to fraction form
    3,751.01/5,626.52 = 2,928.05/x
  3. Step 3: Cross multiply
    3,751.01x = 5,626.52 × 2,928.05
  4. Step 4: Simplify right side
    3,751.01x = 16,474,731.89
  5. Step 5: Solve for x
    x = 16,474,731.89/3,751.01
  6. Step 6: Final answer
    x = 4,392.08

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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.