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Finding the Fourth Proportional to 18,473.22, 27,726.30 and 8,618.04

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Solution

The fourth proportional to 18,473.22, 27,726.30 and 8,618.04 is: 12,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.22 : 27,726.30 = 8,618.04 : x
  2. Step 2: Convert to fraction form
    18,473.22/27,726.30 = 8,618.04/x
  3. Step 3: Cross multiply
    18,473.22x = 27,726.30 × 8,618.04
  4. Step 4: Simplify right side
    18,473.22x = 238,946,362.45
  5. Step 5: Solve for x
    x = 238,946,362.45/18,473.22
  6. Step 6: Final answer
    x = 12,934.74

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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.