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Finding the Fourth Proportional to 79,892.08, 119,852.22 and 27,289.24

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Solution

The fourth proportional to 79,892.08, 119,852.22 and 27,289.24 is: 40,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,892.08 : 119,852.22 = 27,289.24 : x
  2. Step 2: Convert to fraction form
    79,892.08/119,852.22 = 27,289.24/x
  3. Step 3: Cross multiply
    79,892.08x = 119,852.22 × 27,289.24
  4. Step 4: Simplify right side
    79,892.08x = 3,270,675,996.11
  5. Step 5: Solve for x
    x = 3,270,675,996.11/79,892.08
  6. Step 6: Final answer
    x = 40,938.68

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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.