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Finding the Fourth Proportional to 63,361.20, 95,041.80 and 16,618.80

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Solution

The fourth proportional to 63,361.20, 95,041.80 and 16,618.80 is: 24,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,361.20 : 95,041.80 = 16,618.80 : x
  2. Step 2: Convert to fraction form
    63,361.20/95,041.80 = 16,618.80/x
  3. Step 3: Cross multiply
    63,361.20x = 95,041.80 × 16,618.80
  4. Step 4: Simplify right side
    63,361.20x = 1,579,480,665.84
  5. Step 5: Solve for x
    x = 1,579,480,665.84/63,361.20
  6. Step 6: Final answer
    x = 24,928.20

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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.