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Finding the Fourth Proportional to 12,351.48, 17,044.88 and 7,046.40

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Solution

The fourth proportional to 12,351.48, 17,044.88 and 7,046.40 is: 9,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.48 : 17,044.88 = 7,046.40 : x
  2. Step 2: Convert to fraction form
    12,351.48/17,044.88 = 7,046.40/x
  3. Step 3: Cross multiply
    12,351.48x = 17,044.88 × 7,046.40
  4. Step 4: Simplify right side
    12,351.48x = 120,105,042.43
  5. Step 5: Solve for x
    x = 120,105,042.43/12,351.48
  6. Step 6: Final answer
    x = 9,723.94

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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.