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Finding the Fourth Proportional to 25,801.76, 38,703.51 and 9,163.09

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Solution

The fourth proportional to 25,801.76, 38,703.51 and 9,163.09 is: 13,744.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,801.76 : 38,703.51 = 9,163.09 : x
  2. Step 2: Convert to fraction form
    25,801.76/38,703.51 = 9,163.09/x
  3. Step 3: Cross multiply
    25,801.76x = 38,703.51 × 9,163.09
  4. Step 4: Simplify right side
    25,801.76x = 354,643,745.45
  5. Step 5: Solve for x
    x = 354,643,745.45/25,801.76
  6. Step 6: Final answer
    x = 13,744.94

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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.