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Finding the Fourth Proportional to 17,252.76, 25,879.65 and 4,772.89

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Solution

The fourth proportional to 17,252.76, 25,879.65 and 4,772.89 is: 7,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,252.76 : 25,879.65 = 4,772.89 : x
  2. Step 2: Convert to fraction form
    17,252.76/25,879.65 = 4,772.89/x
  3. Step 3: Cross multiply
    17,252.76x = 25,879.65 × 4,772.89
  4. Step 4: Simplify right side
    17,252.76x = 123,520,591.57
  5. Step 5: Solve for x
    x = 123,520,591.57/17,252.76
  6. Step 6: Final answer
    x = 7,159.47

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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.