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Finding the Fourth Proportional to 33,721.42, 46,538.07 and 19,576.42

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Solution

The fourth proportional to 33,721.42, 46,538.07 and 19,576.42 is: 27,016.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,721.42 : 46,538.07 = 19,576.42 : x
  2. Step 2: Convert to fraction form
    33,721.42/46,538.07 = 19,576.42/x
  3. Step 3: Cross multiply
    33,721.42x = 46,538.07 × 19,576.42
  4. Step 4: Simplify right side
    33,721.42x = 911,048,804.31
  5. Step 5: Solve for x
    x = 911,048,804.31/33,721.42
  6. Step 6: Final answer
    x = 27,016.92

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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.