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Finding the Fourth Proportional to 11,601.65, 16,004.63 and 6,882.59

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Solution

The fourth proportional to 11,601.65, 16,004.63 and 6,882.59 is: 9,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,601.65 : 16,004.63 = 6,882.59 : x
  2. Step 2: Convert to fraction form
    11,601.65/16,004.63 = 6,882.59/x
  3. Step 3: Cross multiply
    11,601.65x = 16,004.63 × 6,882.59
  4. Step 4: Simplify right side
    11,601.65x = 110,153,191.96
  5. Step 5: Solve for x
    x = 110,153,191.96/11,601.65
  6. Step 6: Final answer
    x = 9,494.62

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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.