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Finding the Fourth Proportional to 11,601.92, 16,008.96 and 6,632.96

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Solution

The fourth proportional to 11,601.92, 16,008.96 and 6,632.96 is: 9,152.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,601.92 : 16,008.96 = 6,632.96 : x
  2. Step 2: Convert to fraction form
    11,601.92/16,008.96 = 6,632.96/x
  3. Step 3: Cross multiply
    11,601.92x = 16,008.96 × 6,632.96
  4. Step 4: Simplify right side
    11,601.92x = 106,186,791.32
  5. Step 5: Solve for x
    x = 106,186,791.32/11,601.92
  6. Step 6: Final answer
    x = 9,152.52

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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.