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Finding the Fourth Proportional to 23,983.71, 35,969.42 and 7,112.77

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Solution

The fourth proportional to 23,983.71, 35,969.42 and 7,112.77 is: 10,667.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,983.71 : 35,969.42 = 7,112.77 : x
  2. Step 2: Convert to fraction form
    23,983.71/35,969.42 = 7,112.77/x
  3. Step 3: Cross multiply
    23,983.71x = 35,969.42 × 7,112.77
  4. Step 4: Simplify right side
    23,983.71x = 255,841,996.08
  5. Step 5: Solve for x
    x = 255,841,996.08/23,983.71
  6. Step 6: Final answer
    x = 10,667.33

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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.