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Finding the Fourth Proportional to 18,468.63, 27,663.66 and 9,676.89

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Solution

The fourth proportional to 18,468.63, 27,663.66 and 9,676.89 is: 14,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468.63 : 27,663.66 = 9,676.89 : x
  2. Step 2: Convert to fraction form
    18,468.63/27,663.66 = 9,676.89/x
  3. Step 3: Cross multiply
    18,468.63x = 27,663.66 × 9,676.89
  4. Step 4: Simplify right side
    18,468.63x = 267,698,194.82
  5. Step 5: Solve for x
    x = 267,698,194.82/18,468.63
  6. Step 6: Final answer
    x = 14,494.75

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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.