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Finding the Fourth Proportional to 25,463.90, 38,195.75 and 7,933.75

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Solution

The fourth proportional to 25,463.90, 38,195.75 and 7,933.75 is: 11,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,463.90 : 38,195.75 = 7,933.75 : x
  2. Step 2: Convert to fraction form
    25,463.90/38,195.75 = 7,933.75/x
  3. Step 3: Cross multiply
    25,463.90x = 38,195.75 × 7,933.75
  4. Step 4: Simplify right side
    25,463.90x = 303,035,455.91
  5. Step 5: Solve for x
    x = 303,035,455.91/25,463.90
  6. Step 6: Final answer
    x = 11,900.59

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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.