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Finding the Fourth Proportional to 12,349.76, 17,042.52 and 7,044.44

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Solution

The fourth proportional to 12,349.76, 17,042.52 and 7,044.44 is: 9,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.76 : 17,042.52 = 7,044.44 : x
  2. Step 2: Convert to fraction form
    12,349.76/17,042.52 = 7,044.44/x
  3. Step 3: Cross multiply
    12,349.76x = 17,042.52 × 7,044.44
  4. Step 4: Simplify right side
    12,349.76x = 120,055,009.59
  5. Step 5: Solve for x
    x = 120,055,009.59/12,349.76
  6. Step 6: Final answer
    x = 9,721.24

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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.