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Finding the Fourth Proportional to 4,803.91, 7,210.36 and 2,958.63

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Solution

The fourth proportional to 4,803.91, 7,210.36 and 2,958.63 is: 4,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.91 : 7,210.36 = 2,958.63 : x
  2. Step 2: Convert to fraction form
    4,803.91/7,210.36 = 2,958.63/x
  3. Step 3: Cross multiply
    4,803.91x = 7,210.36 × 2,958.63
  4. Step 4: Simplify right side
    4,803.91x = 21,332,787.41
  5. Step 5: Solve for x
    x = 21,332,787.41/4,803.91
  6. Step 6: Final answer
    x = 4,440.71

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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.