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Finding the Fourth Proportional to 18,573.68, 27,824.06 and 10,766.10

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Solution

The fourth proportional to 18,573.68, 27,824.06 and 10,766.10 is: 16,128.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.68 : 27,824.06 = 10,766.10 : x
  2. Step 2: Convert to fraction form
    18,573.68/27,824.06 = 10,766.10/x
  3. Step 3: Cross multiply
    18,573.68x = 27,824.06 × 10,766.10
  4. Step 4: Simplify right side
    18,573.68x = 299,556,612.37
  5. Step 5: Solve for x
    x = 299,556,612.37/18,573.68
  6. Step 6: Final answer
    x = 16,128.02

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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.