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Finding the Fourth Proportional to 19,757.58, 27,265.17 and 10,804.85

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Solution

The fourth proportional to 19,757.58, 27,265.17 and 10,804.85 is: 14,910.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.58 : 27,265.17 = 10,804.85 : x
  2. Step 2: Convert to fraction form
    19,757.58/27,265.17 = 10,804.85/x
  3. Step 3: Cross multiply
    19,757.58x = 27,265.17 × 10,804.85
  4. Step 4: Simplify right side
    19,757.58x = 294,596,072.07
  5. Step 5: Solve for x
    x = 294,596,072.07/19,757.58
  6. Step 6: Final answer
    x = 14,910.53

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1.5x scale

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.