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Finding the Fourth Proportional to 19,654.56, 29,483.60 and 5,614.72

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Solution

The fourth proportional to 19,654.56, 29,483.60 and 5,614.72 is: 8,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.56 : 29,483.60 = 5,614.72 : x
  2. Step 2: Convert to fraction form
    19,654.56/29,483.60 = 5,614.72/x
  3. Step 3: Cross multiply
    19,654.56x = 29,483.60 × 5,614.72
  4. Step 4: Simplify right side
    19,654.56x = 165,542,158.59
  5. Step 5: Solve for x
    x = 165,542,158.59/19,654.56
  6. Step 6: Final answer
    x = 8,422.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.