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Finding the Fourth Proportional to 8,677.44, 11,974.86 and 4,900.77

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Solution

The fourth proportional to 8,677.44, 11,974.86 and 4,900.77 is: 6,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.44 : 11,974.86 = 4,900.77 : x
  2. Step 2: Convert to fraction form
    8,677.44/11,974.86 = 4,900.77/x
  3. Step 3: Cross multiply
    8,677.44x = 11,974.86 × 4,900.77
  4. Step 4: Simplify right side
    8,677.44x = 58,686,034.64
  5. Step 5: Solve for x
    x = 58,686,034.64/8,677.44
  6. Step 6: Final answer
    x = 6,763.06

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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.