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Finding the Fourth Proportional to 36,992.88, 51,050.36 and 20,225.88

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Solution

The fourth proportional to 36,992.88, 51,050.36 and 20,225.88 is: 27,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,992.88 : 51,050.36 = 20,225.88 : x
  2. Step 2: Convert to fraction form
    36,992.88/51,050.36 = 20,225.88/x
  3. Step 3: Cross multiply
    36,992.88x = 51,050.36 × 20,225.88
  4. Step 4: Simplify right side
    36,992.88x = 1,032,538,455.32
  5. Step 5: Solve for x
    x = 1,032,538,455.32/36,992.88
  6. Step 6: Final answer
    x = 27,911.82

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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.