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Finding the Fourth Proportional to 33,645.96, 46,435.50 and 19,499.40

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Solution

The fourth proportional to 33,645.96, 46,435.50 and 19,499.40 is: 26,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,645.96 : 46,435.50 = 19,499.40 : x
  2. Step 2: Convert to fraction form
    33,645.96/46,435.50 = 19,499.40/x
  3. Step 3: Cross multiply
    33,645.96x = 46,435.50 × 19,499.40
  4. Step 4: Simplify right side
    33,645.96x = 905,464,388.70
  5. Step 5: Solve for x
    x = 905,464,388.70/33,645.96
  6. Step 6: Final answer
    x = 26,911.53

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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.