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Finding the Fourth Proportional to 14,666.96, 21,999.96 and 4,137.09

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Solution

The fourth proportional to 14,666.96, 21,999.96 and 4,137.09 is: 6,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.96 : 21,999.96 = 4,137.09 : x
  2. Step 2: Convert to fraction form
    14,666.96/21,999.96 = 4,137.09/x
  3. Step 3: Cross multiply
    14,666.96x = 21,999.96 × 4,137.09
  4. Step 4: Simplify right side
    14,666.96x = 91,015,814.52
  5. Step 5: Solve for x
    x = 91,015,814.52/14,666.96
  6. Step 6: Final answer
    x = 6,205.50

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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.