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Finding the Fourth Proportional to 16,730, 23,087.44 and 9,279.44

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Solution

The fourth proportional to 16,730, 23,087.44 and 9,279.44 is: 12,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730 : 23,087.44 = 9,279.44 : x
  2. Step 2: Convert to fraction form
    16,730/23,087.44 = 9,279.44/x
  3. Step 3: Cross multiply
    16,730x = 23,087.44 × 9,279.44
  4. Step 4: Simplify right side
    16,730x = 214,238,514.23
  5. Step 5: Solve for x
    x = 214,238,514.23/16,730
  6. Step 6: Final answer
    x = 12,805.65

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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.