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Finding the Fourth Proportional to 51,266.28, 76,900.06 and 16,209

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Solution

The fourth proportional to 51,266.28, 76,900.06 and 16,209 is: 24,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,266.28 : 76,900.06 = 16,209 : x
  2. Step 2: Convert to fraction form
    51,266.28/76,900.06 = 16,209/x
  3. Step 3: Cross multiply
    51,266.28x = 76,900.06 × 16,209
  4. Step 4: Simplify right side
    51,266.28x = 1,246,473,072.54
  5. Step 5: Solve for x
    x = 1,246,473,072.54/51,266.28
  6. Step 6: Final answer
    x = 24,313.70

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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.