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Finding the Fourth Proportional to 17,262.48, 25,893.72 and 5,252.88

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Solution

The fourth proportional to 17,262.48, 25,893.72 and 5,252.88 is: 7,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,262.48 : 25,893.72 = 5,252.88 : x
  2. Step 2: Convert to fraction form
    17,262.48/25,893.72 = 5,252.88/x
  3. Step 3: Cross multiply
    17,262.48x = 25,893.72 × 5,252.88
  4. Step 4: Simplify right side
    17,262.48x = 136,016,603.91
  5. Step 5: Solve for x
    x = 136,016,603.91/17,262.48
  6. Step 6: Final answer
    x = 7,879.32

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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.