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Finding the Fourth Proportional to 15,068.54, 20,793.26 and 8,608.14

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Solution

The fourth proportional to 15,068.54, 20,793.26 and 8,608.14 is: 11,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.54 : 20,793.26 = 8,608.14 : x
  2. Step 2: Convert to fraction form
    15,068.54/20,793.26 = 8,608.14/x
  3. Step 3: Cross multiply
    15,068.54x = 20,793.26 × 8,608.14
  4. Step 4: Simplify right side
    15,068.54x = 178,991,250.10
  5. Step 5: Solve for x
    x = 178,991,250.10/15,068.54
  6. Step 6: Final answer
    x = 11,878.48

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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.