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Finding the Fourth Proportional to 14,167.98, 21,251.94 and 6,749.94

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Solution

The fourth proportional to 14,167.98, 21,251.94 and 6,749.94 is: 10,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.98 : 21,251.94 = 6,749.94 : x
  2. Step 2: Convert to fraction form
    14,167.98/21,251.94 = 6,749.94/x
  3. Step 3: Cross multiply
    14,167.98x = 21,251.94 × 6,749.94
  4. Step 4: Simplify right side
    14,167.98x = 143,449,319.88
  5. Step 5: Solve for x
    x = 143,449,319.88/14,167.98
  6. Step 6: Final answer
    x = 10,124.90

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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.