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Finding the Fourth Proportional to 63,645.75, 87,846.93 and 36,803.84

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Solution

The fourth proportional to 63,645.75, 87,846.93 and 36,803.84 is: 50,798.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,645.75 : 87,846.93 = 36,803.84 : x
  2. Step 2: Convert to fraction form
    63,645.75/87,846.93 = 36,803.84/x
  3. Step 3: Cross multiply
    63,645.75x = 87,846.93 × 36,803.84
  4. Step 4: Simplify right side
    63,645.75x = 3,233,103,916.98
  5. Step 5: Solve for x
    x = 3,233,103,916.98/63,645.75
  6. Step 6: Final answer
    x = 50,798.43

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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.