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Finding the Fourth Proportional to 33,678.71, 46,477.71 and 18,571.91

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Solution

The fourth proportional to 33,678.71, 46,477.71 and 18,571.91 is: 25,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,678.71 : 46,477.71 = 18,571.91 : x
  2. Step 2: Convert to fraction form
    33,678.71/46,477.71 = 18,571.91/x
  3. Step 3: Cross multiply
    33,678.71x = 46,477.71 × 18,571.91
  4. Step 4: Simplify right side
    33,678.71x = 863,179,614.74
  5. Step 5: Solve for x
    x = 863,179,614.74/33,678.71
  6. Step 6: Final answer
    x = 25,629.83

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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.