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Finding the Fourth Proportional to 11,609.53, 16,020.72 and 6,304.23

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Solution

The fourth proportional to 11,609.53, 16,020.72 and 6,304.23 is: 8,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.53 : 16,020.72 = 6,304.23 : x
  2. Step 2: Convert to fraction form
    11,609.53/16,020.72 = 6,304.23/x
  3. Step 3: Cross multiply
    11,609.53x = 16,020.72 × 6,304.23
  4. Step 4: Simplify right side
    11,609.53x = 100,998,303.65
  5. Step 5: Solve for x
    x = 100,998,303.65/11,609.53
  6. Step 6: Final answer
    x = 8,699.61

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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.