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Finding the Fourth Proportional to 19,464.96, 29,137.08 and 15,736.08

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Solution

The fourth proportional to 19,464.96, 29,137.08 and 15,736.08 is: 23,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,464.96 : 29,137.08 = 15,736.08 : x
  2. Step 2: Convert to fraction form
    19,464.96/29,137.08 = 15,736.08/x
  3. Step 3: Cross multiply
    19,464.96x = 29,137.08 × 15,736.08
  4. Step 4: Simplify right side
    19,464.96x = 458,503,421.85
  5. Step 5: Solve for x
    x = 458,503,421.85/19,464.96
  6. Step 6: Final answer
    x = 23,555.32

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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.