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Finding the Fourth Proportional to 25,191.94, 37,786.54 and 7,660.41

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Solution

The fourth proportional to 25,191.94, 37,786.54 and 7,660.41 is: 11,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,191.94 : 37,786.54 = 7,660.41 : x
  2. Step 2: Convert to fraction form
    25,191.94/37,786.54 = 7,660.41/x
  3. Step 3: Cross multiply
    25,191.94x = 37,786.54 × 7,660.41
  4. Step 4: Simplify right side
    25,191.94x = 289,460,388.88
  5. Step 5: Solve for x
    x = 289,460,388.88/25,191.94
  6. Step 6: Final answer
    x = 11,490.20

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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.