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Finding the Fourth Proportional to 3,473.27, 4,792.73 and 1,981.05

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Solution

The fourth proportional to 3,473.27, 4,792.73 and 1,981.05 is: 2,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.27 : 4,792.73 = 1,981.05 : x
  2. Step 2: Convert to fraction form
    3,473.27/4,792.73 = 1,981.05/x
  3. Step 3: Cross multiply
    3,473.27x = 4,792.73 × 1,981.05
  4. Step 4: Simplify right side
    3,473.27x = 9,494,637.77
  5. Step 5: Solve for x
    x = 9,494,637.77/3,473.27
  6. Step 6: Final answer
    x = 2,733.63

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1.5x scale

Why These Related Problems?

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