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Finding the Fourth Proportional to 33,696.16, 46,485.90 and 20,259.64

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Solution

The fourth proportional to 33,696.16, 46,485.90 and 20,259.64 is: 27,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,696.16 : 46,485.90 = 20,259.64 : x
  2. Step 2: Convert to fraction form
    33,696.16/46,485.90 = 20,259.64/x
  3. Step 3: Cross multiply
    33,696.16x = 46,485.90 × 20,259.64
  4. Step 4: Simplify right side
    33,696.16x = 941,787,599.08
  5. Step 5: Solve for x
    x = 941,787,599.08/33,696.16
  6. Step 6: Final answer
    x = 27,949.40

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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.