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Finding the Fourth Proportional to 10,731.27, 14,809.98 and 6,755.79

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Solution

The fourth proportional to 10,731.27, 14,809.98 and 6,755.79 is: 9,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.27 : 14,809.98 = 6,755.79 : x
  2. Step 2: Convert to fraction form
    10,731.27/14,809.98 = 6,755.79/x
  3. Step 3: Cross multiply
    10,731.27x = 14,809.98 × 6,755.79
  4. Step 4: Simplify right side
    10,731.27x = 100,053,114.78
  5. Step 5: Solve for x
    x = 100,053,114.78/10,731.27
  6. Step 6: Final answer
    x = 9,323.51

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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.