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Finding the Fourth Proportional to 36,485.25, 50,349.69 and 19,718.25

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Solution

The fourth proportional to 36,485.25, 50,349.69 and 19,718.25 is: 27,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,485.25 : 50,349.69 = 19,718.25 : x
  2. Step 2: Convert to fraction form
    36,485.25/50,349.69 = 19,718.25/x
  3. Step 3: Cross multiply
    36,485.25x = 50,349.69 × 19,718.25
  4. Step 4: Simplify right side
    36,485.25x = 992,807,774.84
  5. Step 5: Solve for x
    x = 992,807,774.84/36,485.25
  6. Step 6: Final answer
    x = 27,211.21

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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.