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Finding the Fourth Proportional to 20,614.55, 30,927.98 and 14,622.17

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Solution

The fourth proportional to 20,614.55, 30,927.98 and 14,622.17 is: 21,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.55 : 30,927.98 = 14,622.17 : x
  2. Step 2: Convert to fraction form
    20,614.55/30,927.98 = 14,622.17/x
  3. Step 3: Cross multiply
    20,614.55x = 30,927.98 × 14,622.17
  4. Step 4: Simplify right side
    20,614.55x = 452,234,295.19
  5. Step 5: Solve for x
    x = 452,234,295.19/20,614.55
  6. Step 6: Final answer
    x = 21,937.62

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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.