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Finding the Fourth Proportional to 6,711.98, 10,068.50 and 2,814.26

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Solution

The fourth proportional to 6,711.98, 10,068.50 and 2,814.26 is: 4,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.98 : 10,068.50 = 2,814.26 : x
  2. Step 2: Convert to fraction form
    6,711.98/10,068.50 = 2,814.26/x
  3. Step 3: Cross multiply
    6,711.98x = 10,068.50 × 2,814.26
  4. Step 4: Simplify right side
    6,711.98x = 28,335,376.81
  5. Step 5: Solve for x
    x = 28,335,376.81/6,711.98
  6. Step 6: Final answer
    x = 4,221.61

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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.