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Finding the Fourth Proportional to 17,977.82, 24,813.80 and 11,611.50

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Solution

The fourth proportional to 17,977.82, 24,813.80 and 11,611.50 is: 16,026.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977.82 : 24,813.80 = 11,611.50 : x
  2. Step 2: Convert to fraction form
    17,977.82/24,813.80 = 11,611.50/x
  3. Step 3: Cross multiply
    17,977.82x = 24,813.80 × 11,611.50
  4. Step 4: Simplify right side
    17,977.82x = 288,125,438.70
  5. Step 5: Solve for x
    x = 288,125,438.70/17,977.82
  6. Step 6: Final answer
    x = 16,026.72

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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.