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Finding the Fourth Proportional to 17,783.73, 26,682.77 and 7,916.27

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Solution

The fourth proportional to 17,783.73, 26,682.77 and 7,916.27 is: 11,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,783.73 : 26,682.77 = 7,916.27 : x
  2. Step 2: Convert to fraction form
    17,783.73/26,682.77 = 7,916.27/x
  3. Step 3: Cross multiply
    17,783.73x = 26,682.77 × 7,916.27
  4. Step 4: Simplify right side
    17,783.73x = 211,227,898.04
  5. Step 5: Solve for x
    x = 211,227,898.04/17,783.73
  6. Step 6: Final answer
    x = 11,877.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.