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Finding the Fourth Proportional to 79,579.83, 119,349.90 and 23,408.76

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Solution

The fourth proportional to 79,579.83, 119,349.90 and 23,408.76 is: 35,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,579.83 : 119,349.90 = 23,408.76 : x
  2. Step 2: Convert to fraction form
    79,579.83/119,349.90 = 23,408.76/x
  3. Step 3: Cross multiply
    79,579.83x = 119,349.90 × 23,408.76
  4. Step 4: Simplify right side
    79,579.83x = 2,793,833,165.12
  5. Step 5: Solve for x
    x = 2,793,833,165.12/79,579.83
  6. Step 6: Final answer
    x = 35,107.30

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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.