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Finding the Fourth Proportional to 10,571.88, 15,845.94 and 5,020.68

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Solution

The fourth proportional to 10,571.88, 15,845.94 and 5,020.68 is: 7,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.88 : 15,845.94 = 5,020.68 : x
  2. Step 2: Convert to fraction form
    10,571.88/15,845.94 = 5,020.68/x
  3. Step 3: Cross multiply
    10,571.88x = 15,845.94 × 5,020.68
  4. Step 4: Simplify right side
    10,571.88x = 79,557,394.04
  5. Step 5: Solve for x
    x = 79,557,394.04/10,571.88
  6. Step 6: Final answer
    x = 7,525.38

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1.5x scale

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.