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Finding the Fourth Proportional to 27,381.33, 41,072.07 and 7,660.06

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Solution

The fourth proportional to 27,381.33, 41,072.07 and 7,660.06 is: 11,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,381.33 : 41,072.07 = 7,660.06 : x
  2. Step 2: Convert to fraction form
    27,381.33/41,072.07 = 7,660.06/x
  3. Step 3: Cross multiply
    27,381.33x = 41,072.07 × 7,660.06
  4. Step 4: Simplify right side
    27,381.33x = 314,614,520.52
  5. Step 5: Solve for x
    x = 314,614,520.52/27,381.33
  6. Step 6: Final answer
    x = 11,490.11

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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.