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Finding the Fourth Proportional to 11,507.13, 17,260.90 and 3,609.47

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Solution

The fourth proportional to 11,507.13, 17,260.90 and 3,609.47 is: 5,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,507.13 : 17,260.90 = 3,609.47 : x
  2. Step 2: Convert to fraction form
    11,507.13/17,260.90 = 3,609.47/x
  3. Step 3: Cross multiply
    11,507.13x = 17,260.90 × 3,609.47
  4. Step 4: Simplify right side
    11,507.13x = 62,302,614.42
  5. Step 5: Solve for x
    x = 62,302,614.42/11,507.13
  6. Step 6: Final answer
    x = 5,414.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.