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Finding the Fourth Proportional to 20,007, 27,609.66 and 11,624.04

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Solution

The fourth proportional to 20,007, 27,609.66 and 11,624.04 is: 16,041.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007 : 27,609.66 = 11,624.04 : x
  2. Step 2: Convert to fraction form
    20,007/27,609.66 = 11,624.04/x
  3. Step 3: Cross multiply
    20,007x = 27,609.66 × 11,624.04
  4. Step 4: Simplify right side
    20,007x = 320,935,792.23
  5. Step 5: Solve for x
    x = 320,935,792.23/20,007
  6. Step 6: Final answer
    x = 16,041.18

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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.