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Finding the Fourth Proportional to 15,998.28, 23,980.68 and 8,968.02

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Solution

The fourth proportional to 15,998.28, 23,980.68 and 8,968.02 is: 13,442.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.28 : 23,980.68 = 8,968.02 : x
  2. Step 2: Convert to fraction form
    15,998.28/23,980.68 = 8,968.02/x
  3. Step 3: Cross multiply
    15,998.28x = 23,980.68 × 8,968.02
  4. Step 4: Simplify right side
    15,998.28x = 215,059,217.85
  5. Step 5: Solve for x
    x = 215,059,217.85/15,998.28
  6. Step 6: Final answer
    x = 13,442.65

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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.