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Finding the Fourth Proportional to 15,868.46, 23,796.53 and 8,468.88

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Solution

The fourth proportional to 15,868.46, 23,796.53 and 8,468.88 is: 12,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,868.46 : 23,796.53 = 8,468.88 : x
  2. Step 2: Convert to fraction form
    15,868.46/23,796.53 = 8,468.88/x
  3. Step 3: Cross multiply
    15,868.46x = 23,796.53 × 8,468.88
  4. Step 4: Simplify right side
    15,868.46x = 201,529,914.64
  5. Step 5: Solve for x
    x = 201,529,914.64/15,868.46
  6. Step 6: Final answer
    x = 12,700.03

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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.