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Finding the Fourth Proportional to 10,761.58, 14,850.30 and 6,286.60

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Solution

The fourth proportional to 10,761.58, 14,850.30 and 6,286.60 is: 8,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.58 : 14,850.30 = 6,286.60 : x
  2. Step 2: Convert to fraction form
    10,761.58/14,850.30 = 6,286.60/x
  3. Step 3: Cross multiply
    10,761.58x = 14,850.30 × 6,286.60
  4. Step 4: Simplify right side
    10,761.58x = 93,357,895.98
  5. Step 5: Solve for x
    x = 93,357,895.98/10,761.58
  6. Step 6: Final answer
    x = 8,675.11

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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.