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Finding the Fourth Proportional to 35,382.92, 53,072.64 and 13,194.56

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Solution

The fourth proportional to 35,382.92, 53,072.64 and 13,194.56 is: 19,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,382.92 : 53,072.64 = 13,194.56 : x
  2. Step 2: Convert to fraction form
    35,382.92/53,072.64 = 13,194.56/x
  3. Step 3: Cross multiply
    35,382.92x = 53,072.64 × 13,194.56
  4. Step 4: Simplify right side
    35,382.92x = 700,270,132.84
  5. Step 5: Solve for x
    x = 700,270,132.84/35,382.92
  6. Step 6: Final answer
    x = 19,791.19

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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.