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Finding the Fourth Proportional to 13,374.92, 18,450.24 and 8,651

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Solution

The fourth proportional to 13,374.92, 18,450.24 and 8,651 is: 11,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.92 : 18,450.24 = 8,651 : x
  2. Step 2: Convert to fraction form
    13,374.92/18,450.24 = 8,651/x
  3. Step 3: Cross multiply
    13,374.92x = 18,450.24 × 8,651
  4. Step 4: Simplify right side
    13,374.92x = 159,613,026.24
  5. Step 5: Solve for x
    x = 159,613,026.24/13,374.92
  6. Step 6: Final answer
    x = 11,933.76

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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.