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Finding the Fourth Proportional to 51,103.75, 76,655.63 and 14,167.75

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Solution

The fourth proportional to 51,103.75, 76,655.63 and 14,167.75 is: 21,251.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,103.75 : 76,655.63 = 14,167.75 : x
  2. Step 2: Convert to fraction form
    51,103.75/76,655.63 = 14,167.75/x
  3. Step 3: Cross multiply
    51,103.75x = 76,655.63 × 14,167.75
  4. Step 4: Simplify right side
    51,103.75x = 1,086,037,731.09
  5. Step 5: Solve for x
    x = 1,086,037,731.09/51,103.75
  6. Step 6: Final answer
    x = 21,251.63

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1.5x scale

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.