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Finding the Fourth Proportional to 33,648, 46,435.20 and 18,744.96

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Solution

The fourth proportional to 33,648, 46,435.20 and 18,744.96 is: 25,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,648 : 46,435.20 = 18,744.96 : x
  2. Step 2: Convert to fraction form
    33,648/46,435.20 = 18,744.96/x
  3. Step 3: Cross multiply
    33,648x = 46,435.20 × 18,744.96
  4. Step 4: Simplify right side
    33,648x = 870,425,966.59
  5. Step 5: Solve for x
    x = 870,425,966.59/33,648
  6. Step 6: Final answer
    x = 25,868.58

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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.