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Finding the Fourth Proportional to 36,465.75, 50,322.74 and 19,698.75

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Solution

The fourth proportional to 36,465.75, 50,322.74 and 19,698.75 is: 27,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,465.75 : 50,322.74 = 19,698.75 : x
  2. Step 2: Convert to fraction form
    36,465.75/50,322.74 = 19,698.75/x
  3. Step 3: Cross multiply
    36,465.75x = 50,322.74 × 19,698.75
  4. Step 4: Simplify right side
    36,465.75x = 991,294,976.08
  5. Step 5: Solve for x
    x = 991,294,976.08/36,465.75
  6. Step 6: Final answer
    x = 27,184.28

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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.