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Finding the Fourth Proportional to 13,950.56, 19,260.78 and 8,651

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Solution

The fourth proportional to 13,950.56, 19,260.78 and 8,651 is: 11,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.56 : 19,260.78 = 8,651 : x
  2. Step 2: Convert to fraction form
    13,950.56/19,260.78 = 8,651/x
  3. Step 3: Cross multiply
    13,950.56x = 19,260.78 × 8,651
  4. Step 4: Simplify right side
    13,950.56x = 166,625,007.78
  5. Step 5: Solve for x
    x = 166,625,007.78/13,950.56
  6. Step 6: Final answer
    x = 11,943.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.