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Finding the Fourth Proportional to 17,308.62, 25,962.96 and 4,828.65

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Solution

The fourth proportional to 17,308.62, 25,962.96 and 4,828.65 is: 7,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,308.62 : 25,962.96 = 4,828.65 : x
  2. Step 2: Convert to fraction form
    17,308.62/25,962.96 = 4,828.65/x
  3. Step 3: Cross multiply
    17,308.62x = 25,962.96 × 4,828.65
  4. Step 4: Simplify right side
    17,308.62x = 125,366,046.80
  5. Step 5: Solve for x
    x = 125,366,046.80/17,308.62
  6. Step 6: Final answer
    x = 7,242.98

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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.