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Finding the Fourth Proportional to 12,351.90, 17,044.03 and 7,046.40

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Solution

The fourth proportional to 12,351.90, 17,044.03 and 7,046.40 is: 9,723.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.90 : 17,044.03 = 7,046.40 : x
  2. Step 2: Convert to fraction form
    12,351.90/17,044.03 = 7,046.40/x
  3. Step 3: Cross multiply
    12,351.90x = 17,044.03 × 7,046.40
  4. Step 4: Simplify right side
    12,351.90x = 120,099,052.99
  5. Step 5: Solve for x
    x = 120,099,052.99/12,351.90
  6. Step 6: Final answer
    x = 9,723.12

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1.5x scale

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.