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Finding the Fourth Proportional to 16,981.03, 25,470.33 and 4,500.77

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Solution

The fourth proportional to 16,981.03, 25,470.33 and 4,500.77 is: 6,750.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.03 : 25,470.33 = 4,500.77 : x
  2. Step 2: Convert to fraction form
    16,981.03/25,470.33 = 4,500.77/x
  3. Step 3: Cross multiply
    16,981.03x = 25,470.33 × 4,500.77
  4. Step 4: Simplify right side
    16,981.03x = 114,636,097.15
  5. Step 5: Solve for x
    x = 114,636,097.15/16,981.03
  6. Step 6: Final answer
    x = 6,750.83

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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.