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Finding the Fourth Proportional to 23,953.78, 35,930.73 and 8,371.40

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Solution

The fourth proportional to 23,953.78, 35,930.73 and 8,371.40 is: 12,557.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,953.78 : 35,930.73 = 8,371.40 : x
  2. Step 2: Convert to fraction form
    23,953.78/35,930.73 = 8,371.40/x
  3. Step 3: Cross multiply
    23,953.78x = 35,930.73 × 8,371.40
  4. Step 4: Simplify right side
    23,953.78x = 300,790,513.12
  5. Step 5: Solve for x
    x = 300,790,513.12/23,953.78
  6. Step 6: Final answer
    x = 12,557.12

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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.