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Finding the Fourth Proportional to 18,492.31, 27,771.87 and 17,008.86

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Solution

The fourth proportional to 18,492.31, 27,771.87 and 17,008.86 is: 25,544.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.31 : 27,771.87 = 17,008.86 : x
  2. Step 2: Convert to fraction form
    18,492.31/27,771.87 = 17,008.86/x
  3. Step 3: Cross multiply
    18,492.31x = 27,771.87 × 17,008.86
  4. Step 4: Simplify right side
    18,492.31x = 472,367,848.77
  5. Step 5: Solve for x
    x = 472,367,848.77/18,492.31
  6. Step 6: Final answer
    x = 25,544.02

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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.