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Finding the Fourth Proportional to 63,493.23, 87,621.01 and 36,636.87

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Solution

The fourth proportional to 63,493.23, 87,621.01 and 36,636.87 is: 50,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,493.23 : 87,621.01 = 36,636.87 : x
  2. Step 2: Convert to fraction form
    63,493.23/87,621.01 = 36,636.87/x
  3. Step 3: Cross multiply
    63,493.23x = 87,621.01 × 36,636.87
  4. Step 4: Simplify right side
    63,493.23x = 3,210,159,789.63
  5. Step 5: Solve for x
    x = 3,210,159,789.63/63,493.23
  6. Step 6: Final answer
    x = 50,559.08

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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.