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Finding the Fourth Proportional to 17,115.63, 23,619.56 and 9,663.63

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Solution

The fourth proportional to 17,115.63, 23,619.56 and 9,663.63 is: 13,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.63 : 23,619.56 = 9,663.63 : x
  2. Step 2: Convert to fraction form
    17,115.63/23,619.56 = 9,663.63/x
  3. Step 3: Cross multiply
    17,115.63x = 23,619.56 × 9,663.63
  4. Step 4: Simplify right side
    17,115.63x = 228,250,688.60
  5. Step 5: Solve for x
    x = 228,250,688.60/17,115.63
  6. Step 6: Final answer
    x = 13,335.80

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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.