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Finding the Fourth Proportional to 36,549.66, 50,438.68 and 19,782.66

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Solution

The fourth proportional to 36,549.66, 50,438.68 and 19,782.66 is: 27,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,549.66 : 50,438.68 = 19,782.66 : x
  2. Step 2: Convert to fraction form
    36,549.66/50,438.68 = 19,782.66/x
  3. Step 3: Cross multiply
    36,549.66x = 50,438.68 × 19,782.66
  4. Step 4: Simplify right side
    36,549.66x = 997,810,906.18
  5. Step 5: Solve for x
    x = 997,810,906.18/36,549.66
  6. Step 6: Final answer
    x = 27,300.15

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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.