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Finding the Fourth Proportional to 4,276.05, 5,905.02 and 4,043.09

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Solution

The fourth proportional to 4,276.05, 5,905.02 and 4,043.09 is: 5,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.05 : 5,905.02 = 4,043.09 : x
  2. Step 2: Convert to fraction form
    4,276.05/5,905.02 = 4,043.09/x
  3. Step 3: Cross multiply
    4,276.05x = 5,905.02 × 4,043.09
  4. Step 4: Simplify right side
    4,276.05x = 23,874,497.79
  5. Step 5: Solve for x
    x = 23,874,497.79/4,276.05
  6. Step 6: Final answer
    x = 5,583.31

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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.