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Finding the Fourth Proportional to 3,884.56, 5,365.06 and 2,623.43

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Solution

The fourth proportional to 3,884.56, 5,365.06 and 2,623.43 is: 3,623.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.56 : 5,365.06 = 2,623.43 : x
  2. Step 2: Convert to fraction form
    3,884.56/5,365.06 = 2,623.43/x
  3. Step 3: Cross multiply
    3,884.56x = 5,365.06 × 2,623.43
  4. Step 4: Simplify right side
    3,884.56x = 14,074,832.53
  5. Step 5: Solve for x
    x = 14,074,832.53/3,884.56
  6. Step 6: Final answer
    x = 3,623.28

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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.