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Finding the Fourth Proportional to 17,215.07, 25,801.02 and 7,342.79

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Solution

The fourth proportional to 17,215.07, 25,801.02 and 7,342.79 is: 11,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.07 : 25,801.02 = 7,342.79 : x
  2. Step 2: Convert to fraction form
    17,215.07/25,801.02 = 7,342.79/x
  3. Step 3: Cross multiply
    17,215.07x = 25,801.02 × 7,342.79
  4. Step 4: Simplify right side
    17,215.07x = 189,451,342.64
  5. Step 5: Solve for x
    x = 189,451,342.64/17,215.07
  6. Step 6: Final answer
    x = 11,004.97

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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.