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Finding the Fourth Proportional to 18,645.26, 27,966.97 and 6,957.56

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Solution

The fourth proportional to 18,645.26, 27,966.97 and 6,957.56 is: 10,436.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645.26 : 27,966.97 = 6,957.56 : x
  2. Step 2: Convert to fraction form
    18,645.26/27,966.97 = 6,957.56/x
  3. Step 3: Cross multiply
    18,645.26x = 27,966.97 × 6,957.56
  4. Step 4: Simplify right side
    18,645.26x = 194,581,950.41
  5. Step 5: Solve for x
    x = 194,581,950.41/18,645.26
  6. Step 6: Final answer
    x = 10,436.00

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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.