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Finding the Fourth Proportional to 16,388.76, 24,583.12 and 4,076.76

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Solution

The fourth proportional to 16,388.76, 24,583.12 and 4,076.76 is: 6,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.76 : 24,583.12 = 4,076.76 : x
  2. Step 2: Convert to fraction form
    16,388.76/24,583.12 = 4,076.76/x
  3. Step 3: Cross multiply
    16,388.76x = 24,583.12 × 4,076.76
  4. Step 4: Simplify right side
    16,388.76x = 100,219,480.29
  5. Step 5: Solve for x
    x = 100,219,480.29/16,388.76
  6. Step 6: Final answer
    x = 6,115.14

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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.