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Finding the Fourth Proportional to 4,751.52, 7,122.07 and 1,628.56

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Solution

The fourth proportional to 4,751.52, 7,122.07 and 1,628.56 is: 2,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.52 : 7,122.07 = 1,628.56 : x
  2. Step 2: Convert to fraction form
    4,751.52/7,122.07 = 1,628.56/x
  3. Step 3: Cross multiply
    4,751.52x = 7,122.07 × 1,628.56
  4. Step 4: Simplify right side
    4,751.52x = 11,598,718.32
  5. Step 5: Solve for x
    x = 11,598,718.32/4,751.52
  6. Step 6: Final answer
    x = 2,441.05

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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.