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Finding the Fourth Proportional to 25,503.75, 38,257.83 and 7,035.75

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Solution

The fourth proportional to 25,503.75, 38,257.83 and 7,035.75 is: 10,554.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,503.75 : 38,257.83 = 7,035.75 : x
  2. Step 2: Convert to fraction form
    25,503.75/38,257.83 = 7,035.75/x
  3. Step 3: Cross multiply
    25,503.75x = 38,257.83 × 7,035.75
  4. Step 4: Simplify right side
    25,503.75x = 269,172,527.42
  5. Step 5: Solve for x
    x = 269,172,527.42/25,503.75
  6. Step 6: Final answer
    x = 10,554.23

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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.