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Finding the Fourth Proportional to 8,624.98, 12,943.98 and 6,914.26

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Solution

The fourth proportional to 8,624.98, 12,943.98 and 6,914.26 is: 10,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.98 : 12,943.98 = 6,914.26 : x
  2. Step 2: Convert to fraction form
    8,624.98/12,943.98 = 6,914.26/x
  3. Step 3: Cross multiply
    8,624.98x = 12,943.98 × 6,914.26
  4. Step 4: Simplify right side
    8,624.98x = 89,498,043.15
  5. Step 5: Solve for x
    x = 89,498,043.15/8,624.98
  6. Step 6: Final answer
    x = 10,376.61

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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.