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Finding the Fourth Proportional to 14,137.58, 21,198 and 5,373.08

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Solution

The fourth proportional to 14,137.58, 21,198 and 5,373.08 is: 8,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.58 : 21,198 = 5,373.08 : x
  2. Step 2: Convert to fraction form
    14,137.58/21,198 = 5,373.08/x
  3. Step 3: Cross multiply
    14,137.58x = 21,198 × 5,373.08
  4. Step 4: Simplify right side
    14,137.58x = 113,898,549.84
  5. Step 5: Solve for x
    x = 113,898,549.84/14,137.58
  6. Step 6: Final answer
    x = 8,056.44

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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.