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Finding the Fourth Proportional to 79,679.75, 119,491.76 and 23,504.94

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Solution

The fourth proportional to 79,679.75, 119,491.76 and 23,504.94 is: 35,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,679.75 : 119,491.76 = 23,504.94 : x
  2. Step 2: Convert to fraction form
    79,679.75/119,491.76 = 23,504.94/x
  3. Step 3: Cross multiply
    79,679.75x = 119,491.76 × 23,504.94
  4. Step 4: Simplify right side
    79,679.75x = 2,808,646,649.29
  5. Step 5: Solve for x
    x = 2,808,646,649.29/79,679.75
  6. Step 6: Final answer
    x = 35,249.19

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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.