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Finding the Fourth Proportional to 12,676.55, 17,494.01 and 7,011.47

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Solution

The fourth proportional to 12,676.55, 17,494.01 and 7,011.47 is: 9,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676.55 : 17,494.01 = 7,011.47 : x
  2. Step 2: Convert to fraction form
    12,676.55/17,494.01 = 7,011.47/x
  3. Step 3: Cross multiply
    12,676.55x = 17,494.01 × 7,011.47
  4. Step 4: Simplify right side
    12,676.55x = 122,658,726.29
  5. Step 5: Solve for x
    x = 122,658,726.29/12,676.55
  6. Step 6: Final answer
    x = 9,676.03

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