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Finding the Fourth Proportional to 17,297.79, 25,948.13 and 12,675.32

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Solution

The fourth proportional to 17,297.79, 25,948.13 and 12,675.32 is: 19,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,297.79 : 25,948.13 = 12,675.32 : x
  2. Step 2: Convert to fraction form
    17,297.79/25,948.13 = 12,675.32/x
  3. Step 3: Cross multiply
    17,297.79x = 25,948.13 × 12,675.32
  4. Step 4: Simplify right side
    17,297.79x = 328,900,658.03
  5. Step 5: Solve for x
    x = 328,900,658.03/17,297.79
  6. Step 6: Final answer
    x = 19,014.03

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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.