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Finding the Fourth Proportional to 29,493.80, 44,167.80 and 19,579.40

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Solution

The fourth proportional to 29,493.80, 44,167.80 and 19,579.40 is: 29,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,493.80 : 44,167.80 = 19,579.40 : x
  2. Step 2: Convert to fraction form
    29,493.80/44,167.80 = 19,579.40/x
  3. Step 3: Cross multiply
    29,493.80x = 44,167.80 × 19,579.40
  4. Step 4: Simplify right side
    29,493.80x = 864,779,023.32
  5. Step 5: Solve for x
    x = 864,779,023.32/29,493.80
  6. Step 6: Final answer
    x = 29,320.71

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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.