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Finding the Fourth Proportional to 36,707.28, 50,655.29 and 19,940.28

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Solution

The fourth proportional to 36,707.28, 50,655.29 and 19,940.28 is: 27,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,707.28 : 50,655.29 = 19,940.28 : x
  2. Step 2: Convert to fraction form
    36,707.28/50,655.29 = 19,940.28/x
  3. Step 3: Cross multiply
    36,707.28x = 50,655.29 × 19,940.28
  4. Step 4: Simplify right side
    36,707.28x = 1,010,080,566.38
  5. Step 5: Solve for x
    x = 1,010,080,566.38/36,707.28
  6. Step 6: Final answer
    x = 27,517.17

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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.