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Finding the Fourth Proportional to 17,507.53, 26,246.61 and 7,639.30

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Solution

The fourth proportional to 17,507.53, 26,246.61 and 7,639.30 is: 11,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,507.53 : 26,246.61 = 7,639.30 : x
  2. Step 2: Convert to fraction form
    17,507.53/26,246.61 = 7,639.30/x
  3. Step 3: Cross multiply
    17,507.53x = 26,246.61 × 7,639.30
  4. Step 4: Simplify right side
    17,507.53x = 200,505,727.77
  5. Step 5: Solve for x
    x = 200,505,727.77/17,507.53
  6. Step 6: Final answer
    x = 11,452.54

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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.