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Finding the Fourth Proportional to 3,492.94, 4,820.33 and 1,921.04

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Solution

The fourth proportional to 3,492.94, 4,820.33 and 1,921.04 is: 2,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.94 : 4,820.33 = 1,921.04 : x
  2. Step 2: Convert to fraction form
    3,492.94/4,820.33 = 1,921.04/x
  3. Step 3: Cross multiply
    3,492.94x = 4,820.33 × 1,921.04
  4. Step 4: Simplify right side
    3,492.94x = 9,260,013.04
  5. Step 5: Solve for x
    x = 9,260,013.04/3,492.94
  6. Step 6: Final answer
    x = 2,651.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.