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Finding the Fourth Proportional to 15,241.82, 22,847.12 and 8,654.08

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Solution

The fourth proportional to 15,241.82, 22,847.12 and 8,654.08 is: 12,972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241.82 : 22,847.12 = 8,654.08 : x
  2. Step 2: Convert to fraction form
    15,241.82/22,847.12 = 8,654.08/x
  3. Step 3: Cross multiply
    15,241.82x = 22,847.12 × 8,654.08
  4. Step 4: Simplify right side
    15,241.82x = 197,720,804.25
  5. Step 5: Solve for x
    x = 197,720,804.25/15,241.82
  6. Step 6: Final answer
    x = 12,972.26

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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.