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Finding the Fourth Proportional to 17,177.76, 23,704.68 and 9,623.76

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Solution

The fourth proportional to 17,177.76, 23,704.68 and 9,623.76 is: 13,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,177.76 : 23,704.68 = 9,623.76 : x
  2. Step 2: Convert to fraction form
    17,177.76/23,704.68 = 9,623.76/x
  3. Step 3: Cross multiply
    17,177.76x = 23,704.68 × 9,623.76
  4. Step 4: Simplify right side
    17,177.76x = 228,128,151.20
  5. Step 5: Solve for x
    x = 228,128,151.20/17,177.76
  6. Step 6: Final answer
    x = 13,280.44

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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.