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Finding the Fourth Proportional to 4,804.89, 6,631.39 and 2,816.24

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Solution

The fourth proportional to 4,804.89, 6,631.39 and 2,816.24 is: 3,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.89 : 6,631.39 = 2,816.24 : x
  2. Step 2: Convert to fraction form
    4,804.89/6,631.39 = 2,816.24/x
  3. Step 3: Cross multiply
    4,804.89x = 6,631.39 × 2,816.24
  4. Step 4: Simplify right side
    4,804.89x = 18,675,585.77
  5. Step 5: Solve for x
    x = 18,675,585.77/4,804.89
  6. Step 6: Final answer
    x = 3,886.79

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.