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Finding the Fourth Proportional to 8,803.28, 12,148.54 and 4,824.54

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Solution

The fourth proportional to 8,803.28, 12,148.54 and 4,824.54 is: 6,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.28 : 12,148.54 = 4,824.54 : x
  2. Step 2: Convert to fraction form
    8,803.28/12,148.54 = 4,824.54/x
  3. Step 3: Cross multiply
    8,803.28x = 12,148.54 × 4,824.54
  4. Step 4: Simplify right side
    8,803.28x = 58,611,093.05
  5. Step 5: Solve for x
    x = 58,611,093.05/8,803.28
  6. Step 6: Final answer
    x = 6,657.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.