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Finding the Fourth Proportional to 25,488.70, 35,174.64 and 14,876.29

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Solution

The fourth proportional to 25,488.70, 35,174.64 and 14,876.29 is: 20,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,488.70 : 35,174.64 = 14,876.29 : x
  2. Step 2: Convert to fraction form
    25,488.70/35,174.64 = 14,876.29/x
  3. Step 3: Cross multiply
    25,488.70x = 35,174.64 × 14,876.29
  4. Step 4: Simplify right side
    25,488.70x = 523,268,145.29
  5. Step 5: Solve for x
    x = 523,268,145.29/25,488.70
  6. Step 6: Final answer
    x = 20,529.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.