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Finding the Fourth Proportional to 33,616.72, 46,390.73 and 18,509.10

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Solution

The fourth proportional to 33,616.72, 46,390.73 and 18,509.10 is: 25,542.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,616.72 : 46,390.73 = 18,509.10 : x
  2. Step 2: Convert to fraction form
    33,616.72/46,390.73 = 18,509.10/x
  3. Step 3: Cross multiply
    33,616.72x = 46,390.73 × 18,509.10
  4. Step 4: Simplify right side
    33,616.72x = 858,650,660.64
  5. Step 5: Solve for x
    x = 858,650,660.64/33,616.72
  6. Step 6: Final answer
    x = 25,542.37

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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.