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Finding the Fourth Proportional to 6,554.72, 9,043.94 and 3,828.83

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Solution

The fourth proportional to 6,554.72, 9,043.94 and 3,828.83 is: 5,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.72 : 9,043.94 = 3,828.83 : x
  2. Step 2: Convert to fraction form
    6,554.72/9,043.94 = 3,828.83/x
  3. Step 3: Cross multiply
    6,554.72x = 9,043.94 × 3,828.83
  4. Step 4: Simplify right side
    6,554.72x = 34,627,740.97
  5. Step 5: Solve for x
    x = 34,627,740.97/6,554.72
  6. Step 6: Final answer
    x = 5,282.87

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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.