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Finding the Fourth Proportional to 18,467.88, 27,701.81 and 4,616.88

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Solution

The fourth proportional to 18,467.88, 27,701.81 and 4,616.88 is: 6,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.88 : 27,701.81 = 4,616.88 : x
  2. Step 2: Convert to fraction form
    18,467.88/27,701.81 = 4,616.88/x
  3. Step 3: Cross multiply
    18,467.88x = 27,701.81 × 4,616.88
  4. Step 4: Simplify right side
    18,467.88x = 127,895,932.55
  5. Step 5: Solve for x
    x = 127,895,932.55/18,467.88
  6. Step 6: Final answer
    x = 6,925.32

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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.