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Finding the Fourth Proportional to 14,750.10, 22,121.10 and 5,388.39

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Solution

The fourth proportional to 14,750.10, 22,121.10 and 5,388.39 is: 8,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.10 : 22,121.10 = 5,388.39 : x
  2. Step 2: Convert to fraction form
    14,750.10/22,121.10 = 5,388.39/x
  3. Step 3: Cross multiply
    14,750.10x = 22,121.10 × 5,388.39
  4. Step 4: Simplify right side
    14,750.10x = 119,197,114.03
  5. Step 5: Solve for x
    x = 119,197,114.03/14,750.10
  6. Step 6: Final answer
    x = 8,081.11

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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.