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Finding the Fourth Proportional to 79,884, 119,826.02 and 24,480

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Solution

The fourth proportional to 79,884, 119,826.02 and 24,480 is: 36,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,884 : 119,826.02 = 24,480 : x
  2. Step 2: Convert to fraction form
    79,884/119,826.02 = 24,480/x
  3. Step 3: Cross multiply
    79,884x = 119,826.02 × 24,480
  4. Step 4: Simplify right side
    79,884x = 2,933,340,969.60
  5. Step 5: Solve for x
    x = 2,933,340,969.60/79,884
  6. Step 6: Final answer
    x = 36,720.01

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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.