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Finding the Fourth Proportional to 18,338.98, 27,504.04 and 8,468.77

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Solution

The fourth proportional to 18,338.98, 27,504.04 and 8,468.77 is: 12,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.98 : 27,504.04 = 8,468.77 : x
  2. Step 2: Convert to fraction form
    18,338.98/27,504.04 = 8,468.77/x
  3. Step 3: Cross multiply
    18,338.98x = 27,504.04 × 8,468.77
  4. Step 4: Simplify right side
    18,338.98x = 232,925,388.83
  5. Step 5: Solve for x
    x = 232,925,388.83/18,338.98
  6. Step 6: Final answer
    x = 12,701.11

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1.5x scale

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.