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Finding the Fourth Proportional to 33,643.50, 46,428.03 and 19,504.55

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Solution

The fourth proportional to 33,643.50, 46,428.03 and 19,504.55 is: 26,916.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,643.50 : 46,428.03 = 19,504.55 : x
  2. Step 2: Convert to fraction form
    33,643.50/46,428.03 = 19,504.55/x
  3. Step 3: Cross multiply
    33,643.50x = 46,428.03 × 19,504.55
  4. Step 4: Simplify right side
    33,643.50x = 905,557,600.40
  5. Step 5: Solve for x
    x = 905,557,600.40/33,643.50
  6. Step 6: Final answer
    x = 26,916.27

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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.