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Finding the Fourth Proportional to 63,221.65, 87,245.80 and 36,363.46

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Solution

The fourth proportional to 63,221.65, 87,245.80 and 36,363.46 is: 50,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,221.65 : 87,245.80 = 36,363.46 : x
  2. Step 2: Convert to fraction form
    63,221.65/87,245.80 = 36,363.46/x
  3. Step 3: Cross multiply
    63,221.65x = 87,245.80 × 36,363.46
  4. Step 4: Simplify right side
    63,221.65x = 3,172,559,158.47
  5. Step 5: Solve for x
    x = 3,172,559,158.47/63,221.65
  6. Step 6: Final answer
    x = 50,181.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.