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Finding the Fourth Proportional to 2,492.08, 3,738.08 and 1,193.20

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Solution

The fourth proportional to 2,492.08, 3,738.08 and 1,193.20 is: 1,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.08 : 3,738.08 = 1,193.20 : x
  2. Step 2: Convert to fraction form
    2,492.08/3,738.08 = 1,193.20/x
  3. Step 3: Cross multiply
    2,492.08x = 3,738.08 × 1,193.20
  4. Step 4: Simplify right side
    2,492.08x = 4,460,277.06
  5. Step 5: Solve for x
    x = 4,460,277.06/2,492.08
  6. Step 6: Final answer
    x = 1,789.78

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1.5x scale

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.