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Finding the Fourth Proportional to 33,615, 46,388.70 and 19,472.40

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Solution

The fourth proportional to 33,615, 46,388.70 and 19,472.40 is: 26,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,615 : 46,388.70 = 19,472.40 : x
  2. Step 2: Convert to fraction form
    33,615/46,388.70 = 19,472.40/x
  3. Step 3: Cross multiply
    33,615x = 46,388.70 × 19,472.40
  4. Step 4: Simplify right side
    33,615x = 903,299,321.88
  5. Step 5: Solve for x
    x = 903,299,321.88/33,615
  6. Step 6: Final answer
    x = 26,871.91

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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.