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Finding the Fourth Proportional to 12,483.75, 17,227.71 and 6,894.75

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Solution

The fourth proportional to 12,483.75, 17,227.71 and 6,894.75 is: 9,514.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.75 : 17,227.71 = 6,894.75 : x
  2. Step 2: Convert to fraction form
    12,483.75/17,227.71 = 6,894.75/x
  3. Step 3: Cross multiply
    12,483.75x = 17,227.71 × 6,894.75
  4. Step 4: Simplify right side
    12,483.75x = 118,780,753.52
  5. Step 5: Solve for x
    x = 118,780,753.52/12,483.75
  6. Step 6: Final answer
    x = 9,514.83

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Half scale
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Double scale
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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.