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Finding the Fourth Proportional to 17,022.64, 25,528.24 and 7,160.08

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Solution

The fourth proportional to 17,022.64, 25,528.24 and 7,160.08 is: 10,737.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,022.64 : 25,528.24 = 7,160.08 : x
  2. Step 2: Convert to fraction form
    17,022.64/25,528.24 = 7,160.08/x
  3. Step 3: Cross multiply
    17,022.64x = 25,528.24 × 7,160.08
  4. Step 4: Simplify right side
    17,022.64x = 182,784,240.66
  5. Step 5: Solve for x
    x = 182,784,240.66/17,022.64
  6. Step 6: Final answer
    x = 10,737.71

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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.