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Finding the Fourth Proportional to 25,974.37, 38,951.99 and 9,329.93

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Solution

The fourth proportional to 25,974.37, 38,951.99 and 9,329.93 is: 13,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,974.37 : 38,951.99 = 9,329.93 : x
  2. Step 2: Convert to fraction form
    25,974.37/38,951.99 = 9,329.93/x
  3. Step 3: Cross multiply
    25,974.37x = 38,951.99 × 9,329.93
  4. Step 4: Simplify right side
    25,974.37x = 363,419,498.81
  5. Step 5: Solve for x
    x = 363,419,498.81/25,974.37
  6. Step 6: Final answer
    x = 13,991.46

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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.