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Finding the Fourth Proportional to 8,451.56, 11,663.03 and 4,674.63

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Solution

The fourth proportional to 8,451.56, 11,663.03 and 4,674.63 is: 6,450.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.56 : 11,663.03 = 4,674.63 : x
  2. Step 2: Convert to fraction form
    8,451.56/11,663.03 = 4,674.63/x
  3. Step 3: Cross multiply
    8,451.56x = 11,663.03 × 4,674.63
  4. Step 4: Simplify right side
    8,451.56x = 54,520,326.56
  5. Step 5: Solve for x
    x = 54,520,326.56/8,451.56
  6. Step 6: Final answer
    x = 6,450.92

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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.