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Finding the Fourth Proportional to 39,996, 55,194.48 and 23,230.08

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Solution

The fourth proportional to 39,996, 55,194.48 and 23,230.08 is: 32,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,996 : 55,194.48 = 23,230.08 : x
  2. Step 2: Convert to fraction form
    39,996/55,194.48 = 23,230.08/x
  3. Step 3: Cross multiply
    39,996x = 55,194.48 × 23,230.08
  4. Step 4: Simplify right side
    39,996x = 1,282,172,185.96
  5. Step 5: Solve for x
    x = 1,282,172,185.96/39,996
  6. Step 6: Final answer
    x = 32,057.51

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Double scale
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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.