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Finding the Fourth Proportional to 15,221.87, 22,837.43 and 10,788.12

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Solution

The fourth proportional to 15,221.87, 22,837.43 and 10,788.12 is: 16,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,221.87 : 22,837.43 = 10,788.12 : x
  2. Step 2: Convert to fraction form
    15,221.87/22,837.43 = 10,788.12/x
  3. Step 3: Cross multiply
    15,221.87x = 22,837.43 × 10,788.12
  4. Step 4: Simplify right side
    15,221.87x = 246,372,901.62
  5. Step 5: Solve for x
    x = 246,372,901.62/15,221.87
  6. Step 6: Final answer
    x = 16,185.45

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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.