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Finding the Fourth Proportional to 14,492.70, 21,739.05 and 4,104.54

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Solution

The fourth proportional to 14,492.70, 21,739.05 and 4,104.54 is: 6,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,492.70 : 21,739.05 = 4,104.54 : x
  2. Step 2: Convert to fraction form
    14,492.70/21,739.05 = 4,104.54/x
  3. Step 3: Cross multiply
    14,492.70x = 21,739.05 × 4,104.54
  4. Step 4: Simplify right side
    14,492.70x = 89,228,800.29
  5. Step 5: Solve for x
    x = 89,228,800.29/14,492.70
  6. Step 6: Final answer
    x = 6,156.81

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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.