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Finding the Fourth Proportional to 25,379.56, 35,023.26 and 14,048.41

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Solution

The fourth proportional to 25,379.56, 35,023.26 and 14,048.41 is: 19,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.56 : 35,023.26 = 14,048.41 : x
  2. Step 2: Convert to fraction form
    25,379.56/35,023.26 = 14,048.41/x
  3. Step 3: Cross multiply
    25,379.56x = 35,023.26 × 14,048.41
  4. Step 4: Simplify right side
    25,379.56x = 492,021,116.02
  5. Step 5: Solve for x
    x = 492,021,116.02/25,379.56
  6. Step 6: Final answer
    x = 19,386.51

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Why These Related Problems?

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