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Finding the Fourth Proportional to 4,828.07, 7,243.55 and 2,774.63

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Solution

The fourth proportional to 4,828.07, 7,243.55 and 2,774.63 is: 4,162.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.07 : 7,243.55 = 2,774.63 : x
  2. Step 2: Convert to fraction form
    4,828.07/7,243.55 = 2,774.63/x
  3. Step 3: Cross multiply
    4,828.07x = 7,243.55 × 2,774.63
  4. Step 4: Simplify right side
    4,828.07x = 20,098,121.05
  5. Step 5: Solve for x
    x = 20,098,121.05/4,828.07
  6. Step 6: Final answer
    x = 4,162.77

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1.5x scale

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.