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Finding the Fourth Proportional to 3,342.36, 5,013.36 and 1,492.32

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Solution

The fourth proportional to 3,342.36, 5,013.36 and 1,492.32 is: 2,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.36 : 5,013.36 = 1,492.32 : x
  2. Step 2: Convert to fraction form
    3,342.36/5,013.36 = 1,492.32/x
  3. Step 3: Cross multiply
    3,342.36x = 5,013.36 × 1,492.32
  4. Step 4: Simplify right side
    3,342.36x = 7,481,537.40
  5. Step 5: Solve for x
    x = 7,481,537.40/3,342.36
  6. Step 6: Final answer
    x = 2,238.40

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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.