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Finding the Fourth Proportional to 20,200.56, 30,259.80 and 14,951.22

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Solution

The fourth proportional to 20,200.56, 30,259.80 and 14,951.22 is: 22,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.56 : 30,259.80 = 14,951.22 : x
  2. Step 2: Convert to fraction form
    20,200.56/30,259.80 = 14,951.22/x
  3. Step 3: Cross multiply
    20,200.56x = 30,259.80 × 14,951.22
  4. Step 4: Simplify right side
    20,200.56x = 452,420,926.96
  5. Step 5: Solve for x
    x = 452,420,926.96/20,200.56
  6. Step 6: Final answer
    x = 22,396.45

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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.