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Finding the Fourth Proportional to 12,349.99, 17,042.82 and 7,044.89

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Solution

The fourth proportional to 12,349.99, 17,042.82 and 7,044.89 is: 9,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.99 : 17,042.82 = 7,044.89 : x
  2. Step 2: Convert to fraction form
    12,349.99/17,042.82 = 7,044.89/x
  3. Step 3: Cross multiply
    12,349.99x = 17,042.82 × 7,044.89
  4. Step 4: Simplify right side
    12,349.99x = 120,064,792.19
  5. Step 5: Solve for x
    x = 120,064,792.19/12,349.99
  6. Step 6: Final answer
    x = 9,721.86

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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.