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Finding the Fourth Proportional to 51,326.94, 76,992.03 and 16,266.90

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Solution

The fourth proportional to 51,326.94, 76,992.03 and 16,266.90 is: 24,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,326.94 : 76,992.03 = 16,266.90 : x
  2. Step 2: Convert to fraction form
    51,326.94/76,992.03 = 16,266.90/x
  3. Step 3: Cross multiply
    51,326.94x = 76,992.03 × 16,266.90
  4. Step 4: Simplify right side
    51,326.94x = 1,252,421,186.51
  5. Step 5: Solve for x
    x = 1,252,421,186.51/51,326.94
  6. Step 6: Final answer
    x = 24,400.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.