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Finding the Fourth Proportional to 2,992.84, 4,496.94 and 2,603.08

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Solution

The fourth proportional to 2,992.84, 4,496.94 and 2,603.08 is: 3,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.84 : 4,496.94 = 2,603.08 : x
  2. Step 2: Convert to fraction form
    2,992.84/4,496.94 = 2,603.08/x
  3. Step 3: Cross multiply
    2,992.84x = 4,496.94 × 2,603.08
  4. Step 4: Simplify right side
    2,992.84x = 11,705,894.58
  5. Step 5: Solve for x
    x = 11,705,894.58/2,992.84
  6. Step 6: Final answer
    x = 3,911.30

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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.