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Finding the Fourth Proportional to 9,859.44, 14,781.14 and 6,731.56

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Solution

The fourth proportional to 9,859.44, 14,781.14 and 6,731.56 is: 10,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.44 : 14,781.14 = 6,731.56 : x
  2. Step 2: Convert to fraction form
    9,859.44/14,781.14 = 6,731.56/x
  3. Step 3: Cross multiply
    9,859.44x = 14,781.14 × 6,731.56
  4. Step 4: Simplify right side
    9,859.44x = 99,500,130.78
  5. Step 5: Solve for x
    x = 99,500,130.78/9,859.44
  6. Step 6: Final answer
    x = 10,091.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.