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Finding the Fourth Proportional to 12,652.62, 17,459.91 and 7,063.98

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Solution

The fourth proportional to 12,652.62, 17,459.91 and 7,063.98 is: 9,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652.62 : 17,459.91 = 7,063.98 : x
  2. Step 2: Convert to fraction form
    12,652.62/17,459.91 = 7,063.98/x
  3. Step 3: Cross multiply
    12,652.62x = 17,459.91 × 7,063.98
  4. Step 4: Simplify right side
    12,652.62x = 123,336,455.04
  5. Step 5: Solve for x
    x = 123,336,455.04/12,652.62
  6. Step 6: Final answer
    x = 9,747.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.