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Finding the Fourth Proportional to 33,616.71, 46,390.69 and 18,509.07

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Solution

The fourth proportional to 33,616.71, 46,390.69 and 18,509.07 is: 25,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,616.71 : 46,390.69 = 18,509.07 : x
  2. Step 2: Convert to fraction form
    33,616.71/46,390.69 = 18,509.07/x
  3. Step 3: Cross multiply
    33,616.71x = 46,390.69 × 18,509.07
  4. Step 4: Simplify right side
    33,616.71x = 858,648,250.33
  5. Step 5: Solve for x
    x = 858,648,250.33/33,616.71
  6. Step 6: Final answer
    x = 25,542.30

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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.