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Finding the Fourth Proportional to 17,307, 23,883.66 and 9,856.44

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Solution

The fourth proportional to 17,307, 23,883.66 and 9,856.44 is: 13,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,307 : 23,883.66 = 9,856.44 : x
  2. Step 2: Convert to fraction form
    17,307/23,883.66 = 9,856.44/x
  3. Step 3: Cross multiply
    17,307x = 23,883.66 × 9,856.44
  4. Step 4: Simplify right side
    17,307x = 235,407,861.77
  5. Step 5: Solve for x
    x = 235,407,861.77/17,307
  6. Step 6: Final answer
    x = 13,601.89

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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.