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Finding the Fourth Proportional to 63,192.84, 87,206 and 36,340.54

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Solution

The fourth proportional to 63,192.84, 87,206 and 36,340.54 is: 50,149.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,192.84 : 87,206 = 36,340.54 : x
  2. Step 2: Convert to fraction form
    63,192.84/87,206 = 36,340.54/x
  3. Step 3: Cross multiply
    63,192.84x = 87,206 × 36,340.54
  4. Step 4: Simplify right side
    63,192.84x = 3,169,113,131.24
  5. Step 5: Solve for x
    x = 3,169,113,131.24/63,192.84
  6. Step 6: Final answer
    x = 50,149.88

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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.