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Finding the Fourth Proportional to 17,007.50, 25,512.72 and 4,695.50

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Solution

The fourth proportional to 17,007.50, 25,512.72 and 4,695.50 is: 7,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007.50 : 25,512.72 = 4,695.50 : x
  2. Step 2: Convert to fraction form
    17,007.50/25,512.72 = 4,695.50/x
  3. Step 3: Cross multiply
    17,007.50x = 25,512.72 × 4,695.50
  4. Step 4: Simplify right side
    17,007.50x = 119,794,976.76
  5. Step 5: Solve for x
    x = 119,794,976.76/17,007.50
  6. Step 6: Final answer
    x = 7,043.66

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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.