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Finding the Fourth Proportional to 14,706.43, 22,059.87 and 8,118.30

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Solution

The fourth proportional to 14,706.43, 22,059.87 and 8,118.30 is: 12,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,706.43 : 22,059.87 = 8,118.30 : x
  2. Step 2: Convert to fraction form
    14,706.43/22,059.87 = 8,118.30/x
  3. Step 3: Cross multiply
    14,706.43x = 22,059.87 × 8,118.30
  4. Step 4: Simplify right side
    14,706.43x = 179,088,642.62
  5. Step 5: Solve for x
    x = 179,088,642.62/14,706.43
  6. Step 6: Final answer
    x = 12,177.57

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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.