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Finding the Fourth Proportional to 16,388.93, 24,583.40 and 4,076.93

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Solution

The fourth proportional to 16,388.93, 24,583.40 and 4,076.93 is: 6,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.93 : 24,583.40 = 4,076.93 : x
  2. Step 2: Convert to fraction form
    16,388.93/24,583.40 = 4,076.93/x
  3. Step 3: Cross multiply
    16,388.93x = 24,583.40 × 4,076.93
  4. Step 4: Simplify right side
    16,388.93x = 100,224,657.66
  5. Step 5: Solve for x
    x = 100,224,657.66/16,388.93
  6. Step 6: Final answer
    x = 6,115.39

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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.