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Finding the Fourth Proportional to 3,928.09, 5,892.04 and 1,588.04

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Solution

The fourth proportional to 3,928.09, 5,892.04 and 1,588.04 is: 2,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.09 : 5,892.04 = 1,588.04 : x
  2. Step 2: Convert to fraction form
    3,928.09/5,892.04 = 1,588.04/x
  3. Step 3: Cross multiply
    3,928.09x = 5,892.04 × 1,588.04
  4. Step 4: Simplify right side
    3,928.09x = 9,356,795.20
  5. Step 5: Solve for x
    x = 9,356,795.20/3,928.09
  6. Step 6: Final answer
    x = 2,382.02

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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.