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Finding the Fourth Proportional to 35,831, 49,446.42 and 19,916.84

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Solution

The fourth proportional to 35,831, 49,446.42 and 19,916.84 is: 27,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,831 : 49,446.42 = 19,916.84 : x
  2. Step 2: Convert to fraction form
    35,831/49,446.42 = 19,916.84/x
  3. Step 3: Cross multiply
    35,831x = 49,446.42 × 19,916.84
  4. Step 4: Simplify right side
    35,831x = 984,816,435.71
  5. Step 5: Solve for x
    x = 984,816,435.71/35,831
  6. Step 6: Final answer
    x = 27,485.04

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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.