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Finding the Fourth Proportional to 14,500.46, 21,755.02 and 8,340.14

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Solution

The fourth proportional to 14,500.46, 21,755.02 and 8,340.14 is: 12,512.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.46 : 21,755.02 = 8,340.14 : x
  2. Step 2: Convert to fraction form
    14,500.46/21,755.02 = 8,340.14/x
  3. Step 3: Cross multiply
    14,500.46x = 21,755.02 × 8,340.14
  4. Step 4: Simplify right side
    14,500.46x = 181,439,912.50
  5. Step 5: Solve for x
    x = 181,439,912.50/14,500.46
  6. Step 6: Final answer
    x = 12,512.70

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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.