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Finding the Fourth Proportional to 15,236.40, 22,803.40 and 10,628.40

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Solution

The fourth proportional to 15,236.40, 22,803.40 and 10,628.40 is: 15,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.40 : 22,803.40 = 10,628.40 : x
  2. Step 2: Convert to fraction form
    15,236.40/22,803.40 = 10,628.40/x
  3. Step 3: Cross multiply
    15,236.40x = 22,803.40 × 10,628.40
  4. Step 4: Simplify right side
    15,236.40x = 242,363,656.56
  5. Step 5: Solve for x
    x = 242,363,656.56/15,236.40
  6. Step 6: Final answer
    x = 15,906.88

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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.