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Finding the Fourth Proportional to 35,704.54, 53,640.03 and 30,722.38

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Solution

The fourth proportional to 35,704.54, 53,640.03 and 30,722.38 is: 46,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,704.54 : 53,640.03 = 30,722.38 : x
  2. Step 2: Convert to fraction form
    35,704.54/53,640.03 = 30,722.38/x
  3. Step 3: Cross multiply
    35,704.54x = 53,640.03 × 30,722.38
  4. Step 4: Simplify right side
    35,704.54x = 1,647,949,384.87
  5. Step 5: Solve for x
    x = 1,647,949,384.87/35,704.54
  6. Step 6: Final answer
    x = 46,155.18

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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.