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Finding the Fourth Proportional to 36,698.88, 50,644.44 and 19,931.88

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Solution

The fourth proportional to 36,698.88, 50,644.44 and 19,931.88 is: 27,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698.88 : 50,644.44 = 19,931.88 : x
  2. Step 2: Convert to fraction form
    36,698.88/50,644.44 = 19,931.88/x
  3. Step 3: Cross multiply
    36,698.88x = 50,644.44 × 19,931.88
  4. Step 4: Simplify right side
    36,698.88x = 1,009,438,900.75
  5. Step 5: Solve for x
    x = 1,009,438,900.75/36,698.88
  6. Step 6: Final answer
    x = 27,505.99

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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.