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Finding the Fourth Proportional to 28,059.90, 42,094.92 and 8,068.44

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Solution

The fourth proportional to 28,059.90, 42,094.92 and 8,068.44 is: 12,104.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,059.90 : 42,094.92 = 8,068.44 : x
  2. Step 2: Convert to fraction form
    28,059.90/42,094.92 = 8,068.44/x
  3. Step 3: Cross multiply
    28,059.90x = 42,094.92 × 8,068.44
  4. Step 4: Simplify right side
    28,059.90x = 339,640,336.32
  5. Step 5: Solve for x
    x = 339,640,336.32/28,059.90
  6. Step 6: Final answer
    x = 12,104.12

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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.