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Finding the Fourth Proportional to 12,274.70, 16,937.73 and 7,497

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Solution

The fourth proportional to 12,274.70, 16,937.73 and 7,497 is: 10,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.70 : 16,937.73 = 7,497 : x
  2. Step 2: Convert to fraction form
    12,274.70/16,937.73 = 7,497/x
  3. Step 3: Cross multiply
    12,274.70x = 16,937.73 × 7,497
  4. Step 4: Simplify right side
    12,274.70x = 126,982,161.81
  5. Step 5: Solve for x
    x = 126,982,161.81/12,274.70
  6. Step 6: Final answer
    x = 10,345.04

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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.