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Finding the Fourth Proportional to 27,387.84, 41,084.03 and 7,666.37

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Solution

The fourth proportional to 27,387.84, 41,084.03 and 7,666.37 is: 11,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,387.84 : 41,084.03 = 7,666.37 : x
  2. Step 2: Convert to fraction form
    27,387.84/41,084.03 = 7,666.37/x
  3. Step 3: Cross multiply
    27,387.84x = 41,084.03 × 7,666.37
  4. Step 4: Simplify right side
    27,387.84x = 314,965,375.07
  5. Step 5: Solve for x
    x = 314,965,375.07/27,387.84
  6. Step 6: Final answer
    x = 11,500.19

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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.