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Finding the Fourth Proportional to 5,845.87, 8,768.79 and 4,815.73

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Solution

The fourth proportional to 5,845.87, 8,768.79 and 4,815.73 is: 7,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.87 : 8,768.79 = 4,815.73 : x
  2. Step 2: Convert to fraction form
    5,845.87/8,768.79 = 4,815.73/x
  3. Step 3: Cross multiply
    5,845.87x = 8,768.79 × 4,815.73
  4. Step 4: Simplify right side
    5,845.87x = 42,228,125.07
  5. Step 5: Solve for x
    x = 42,228,125.07/5,845.87
  6. Step 6: Final answer
    x = 7,223.58

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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.