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Finding the Fourth Proportional to 4,828.62, 7,243.76 and 2,055.32

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Solution

The fourth proportional to 4,828.62, 7,243.76 and 2,055.32 is: 3,083.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.62 : 7,243.76 = 2,055.32 : x
  2. Step 2: Convert to fraction form
    4,828.62/7,243.76 = 2,055.32/x
  3. Step 3: Cross multiply
    4,828.62x = 7,243.76 × 2,055.32
  4. Step 4: Simplify right side
    4,828.62x = 14,888,244.80
  5. Step 5: Solve for x
    x = 14,888,244.80/4,828.62
  6. Step 6: Final answer
    x = 3,083.33

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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.