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Finding the Fourth Proportional to 33,641.28, 46,427.04 and 18,737.28

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Solution

The fourth proportional to 33,641.28, 46,427.04 and 18,737.28 is: 25,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,641.28 : 46,427.04 = 18,737.28 : x
  2. Step 2: Convert to fraction form
    33,641.28/46,427.04 = 18,737.28/x
  3. Step 3: Cross multiply
    33,641.28x = 46,427.04 × 18,737.28
  4. Step 4: Simplify right side
    33,641.28x = 869,916,448.05
  5. Step 5: Solve for x
    x = 869,916,448.05/33,641.28
  6. Step 6: Final answer
    x = 25,858.60

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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.