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Finding the Fourth Proportional to 36,695.64, 50,639.94 and 19,928.52

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Solution

The fourth proportional to 36,695.64, 50,639.94 and 19,928.52 is: 27,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,695.64 : 50,639.94 = 19,928.52 : x
  2. Step 2: Convert to fraction form
    36,695.64/50,639.94 = 19,928.52/x
  3. Step 3: Cross multiply
    36,695.64x = 50,639.94 × 19,928.52
  4. Step 4: Simplify right side
    36,695.64x = 1,009,179,057.09
  5. Step 5: Solve for x
    x = 1,009,179,057.09/36,695.64
  6. Step 6: Final answer
    x = 27,501.33

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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.