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Finding the Fourth Proportional to 17,070.62, 25,605.81 and 4,758.62

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Solution

The fourth proportional to 17,070.62, 25,605.81 and 4,758.62 is: 7,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,070.62 : 25,605.81 = 4,758.62 : x
  2. Step 2: Convert to fraction form
    17,070.62/25,605.81 = 4,758.62/x
  3. Step 3: Cross multiply
    17,070.62x = 25,605.81 × 4,758.62
  4. Step 4: Simplify right side
    17,070.62x = 121,848,319.58
  5. Step 5: Solve for x
    x = 121,848,319.58/17,070.62
  6. Step 6: Final answer
    x = 7,137.90

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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.