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Finding the Fourth Proportional to 12,357.43, 17,052.60 and 7,052.74

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Solution

The fourth proportional to 12,357.43, 17,052.60 and 7,052.74 is: 9,732.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357.43 : 17,052.60 = 7,052.74 : x
  2. Step 2: Convert to fraction form
    12,357.43/17,052.60 = 7,052.74/x
  3. Step 3: Cross multiply
    12,357.43x = 17,052.60 × 7,052.74
  4. Step 4: Simplify right side
    12,357.43x = 120,267,554.12
  5. Step 5: Solve for x
    x = 120,267,554.12/12,357.43
  6. Step 6: Final answer
    x = 9,732.41

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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.