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Finding the Fourth Proportional to 16,978.68, 25,468.03 and 5,885.37

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Solution

The fourth proportional to 16,978.68, 25,468.03 and 5,885.37 is: 8,828.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,978.68 : 25,468.03 = 5,885.37 : x
  2. Step 2: Convert to fraction form
    16,978.68/25,468.03 = 5,885.37/x
  3. Step 3: Cross multiply
    16,978.68x = 25,468.03 × 5,885.37
  4. Step 4: Simplify right side
    16,978.68x = 149,888,779.72
  5. Step 5: Solve for x
    x = 149,888,779.72/16,978.68
  6. Step 6: Final answer
    x = 8,828.06

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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.