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Finding the Fourth Proportional to 36,870.66, 50,883.48 and 21,772.08

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Solution

The fourth proportional to 36,870.66, 50,883.48 and 21,772.08 is: 30,046.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.66 : 50,883.48 = 21,772.08 : x
  2. Step 2: Convert to fraction form
    36,870.66/50,883.48 = 21,772.08/x
  3. Step 3: Cross multiply
    36,870.66x = 50,883.48 × 21,772.08
  4. Step 4: Simplify right side
    36,870.66x = 1,107,839,197.24
  5. Step 5: Solve for x
    x = 1,107,839,197.24/36,870.66
  6. Step 6: Final answer
    x = 30,046.63

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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.