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Finding the Fourth Proportional to 36,549.98, 50,438.79 and 19,782.98

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Solution

The fourth proportional to 36,549.98, 50,438.79 and 19,782.98 is: 27,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,549.98 : 50,438.79 = 19,782.98 : x
  2. Step 2: Convert to fraction form
    36,549.98/50,438.79 = 19,782.98/x
  3. Step 3: Cross multiply
    36,549.98x = 50,438.79 × 19,782.98
  4. Step 4: Simplify right side
    36,549.98x = 997,829,321.60
  5. Step 5: Solve for x
    x = 997,829,321.60/36,549.98
  6. Step 6: Final answer
    x = 27,300.41

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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.