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Finding the Fourth Proportional to 28,179.94, 38,893.08 and 16,250.26

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Solution

The fourth proportional to 28,179.94, 38,893.08 and 16,250.26 is: 22,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,179.94 : 38,893.08 = 16,250.26 : x
  2. Step 2: Convert to fraction form
    28,179.94/38,893.08 = 16,250.26/x
  3. Step 3: Cross multiply
    28,179.94x = 38,893.08 × 16,250.26
  4. Step 4: Simplify right side
    28,179.94x = 632,022,662.20
  5. Step 5: Solve for x
    x = 632,022,662.20/28,179.94
  6. Step 6: Final answer
    x = 22,428.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.