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Finding the Fourth Proportional to 20,363.68, 30,543.90 and 6,323.14

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Solution

The fourth proportional to 20,363.68, 30,543.90 and 6,323.14 is: 9,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363.68 : 30,543.90 = 6,323.14 : x
  2. Step 2: Convert to fraction form
    20,363.68/30,543.90 = 6,323.14/x
  3. Step 3: Cross multiply
    20,363.68x = 30,543.90 × 6,323.14
  4. Step 4: Simplify right side
    20,363.68x = 193,133,355.85
  5. Step 5: Solve for x
    x = 193,133,355.85/20,363.68
  6. Step 6: Final answer
    x = 9,484.21

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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.