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Finding the Fourth Proportional to 27,793.98, 38,359.41 and 16,462.59

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Solution

The fourth proportional to 27,793.98, 38,359.41 and 16,462.59 is: 22,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.98 : 38,359.41 = 16,462.59 : x
  2. Step 2: Convert to fraction form
    27,793.98/38,359.41 = 16,462.59/x
  3. Step 3: Cross multiply
    27,793.98x = 38,359.41 × 16,462.59
  4. Step 4: Simplify right side
    27,793.98x = 631,495,239.47
  5. Step 5: Solve for x
    x = 631,495,239.47/27,793.98
  6. Step 6: Final answer
    x = 22,720.58

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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.