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Finding the Fourth Proportional to 36,680.51, 50,618.71 and 19,913.51

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Solution

The fourth proportional to 36,680.51, 50,618.71 and 19,913.51 is: 27,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,680.51 : 50,618.71 = 19,913.51 : x
  2. Step 2: Convert to fraction form
    36,680.51/50,618.71 = 19,913.51/x
  3. Step 3: Cross multiply
    36,680.51x = 50,618.71 × 19,913.51
  4. Step 4: Simplify right side
    36,680.51x = 1,007,996,187.77
  5. Step 5: Solve for x
    x = 1,007,996,187.77/36,680.51
  6. Step 6: Final answer
    x = 27,480.43

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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.