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Finding the Fourth Proportional to 25,357.00, 38,020.31 and 12,033.31

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Solution

The fourth proportional to 25,357.00, 38,020.31 and 12,033.31 is: 18,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.00 : 38,020.31 = 12,033.31 : x
  2. Step 2: Convert to fraction form
    25,357.00/38,020.31 = 12,033.31/x
  3. Step 3: Cross multiply
    25,357.00x = 38,020.31 × 12,033.31
  4. Step 4: Simplify right side
    25,357.00x = 457,510,051.39
  5. Step 5: Solve for x
    x = 457,510,051.39/25,357.00
  6. Step 6: Final answer
    x = 18,042.75

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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.