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Finding the Fourth Proportional to 18,308.61, 27,462.90 and 17,373.66

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Solution

The fourth proportional to 18,308.61, 27,462.90 and 17,373.66 is: 26,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.61 : 27,462.90 = 17,373.66 : x
  2. Step 2: Convert to fraction form
    18,308.61/27,462.90 = 17,373.66/x
  3. Step 3: Cross multiply
    18,308.61x = 27,462.90 × 17,373.66
  4. Step 4: Simplify right side
    18,308.61x = 477,131,087.21
  5. Step 5: Solve for x
    x = 477,131,087.21/18,308.61
  6. Step 6: Final answer
    x = 26,060.48

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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.