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Finding the Fourth Proportional to 18,467.88, 25,477.26 and 12,092.76

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Solution

The fourth proportional to 18,467.88, 25,477.26 and 12,092.76 is: 16,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.88 : 25,477.26 = 12,092.76 : x
  2. Step 2: Convert to fraction form
    18,467.88/25,477.26 = 12,092.76/x
  3. Step 3: Cross multiply
    18,467.88x = 25,477.26 × 12,092.76
  4. Step 4: Simplify right side
    18,467.88x = 308,090,390.64
  5. Step 5: Solve for x
    x = 308,090,390.64/18,467.88
  6. Step 6: Final answer
    x = 16,682.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.