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Finding the Fourth Proportional to 25,372.15, 35,012.69 and 14,042.12

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Solution

The fourth proportional to 25,372.15, 35,012.69 and 14,042.12 is: 19,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,372.15 : 35,012.69 = 14,042.12 : x
  2. Step 2: Convert to fraction form
    25,372.15/35,012.69 = 14,042.12/x
  3. Step 3: Cross multiply
    25,372.15x = 35,012.69 × 14,042.12
  4. Step 4: Simplify right side
    25,372.15x = 491,652,254.54
  5. Step 5: Solve for x
    x = 491,652,254.54/25,372.15
  6. Step 6: Final answer
    x = 19,377.64

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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.