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Finding the Fourth Proportional to 15,241.92, 22,858.20 and 5,881.20

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Solution

The fourth proportional to 15,241.92, 22,858.20 and 5,881.20 is: 8,819.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241.92 : 22,858.20 = 5,881.20 : x
  2. Step 2: Convert to fraction form
    15,241.92/22,858.20 = 5,881.20/x
  3. Step 3: Cross multiply
    15,241.92x = 22,858.20 × 5,881.20
  4. Step 4: Simplify right side
    15,241.92x = 134,433,645.84
  5. Step 5: Solve for x
    x = 134,433,645.84/15,241.92
  6. Step 6: Final answer
    x = 8,819.99

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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.