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Finding the Fourth Proportional to 17,235.74, 25,832.70 and 7,862.91

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Solution

The fourth proportional to 17,235.74, 25,832.70 and 7,862.91 is: 11,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,235.74 : 25,832.70 = 7,862.91 : x
  2. Step 2: Convert to fraction form
    17,235.74/25,832.70 = 7,862.91/x
  3. Step 3: Cross multiply
    17,235.74x = 25,832.70 × 7,862.91
  4. Step 4: Simplify right side
    17,235.74x = 203,120,195.16
  5. Step 5: Solve for x
    x = 203,120,195.16/17,235.74
  6. Step 6: Final answer
    x = 11,784.83

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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.