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Finding the Fourth Proportional to 36,703.97, 50,655.02 and 20,571.20

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Solution

The fourth proportional to 36,703.97, 50,655.02 and 20,571.20 is: 28,390.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,703.97 : 50,655.02 = 20,571.20 : x
  2. Step 2: Convert to fraction form
    36,703.97/50,655.02 = 20,571.20/x
  3. Step 3: Cross multiply
    36,703.97x = 50,655.02 × 20,571.20
  4. Step 4: Simplify right side
    36,703.97x = 1,042,034,547.42
  5. Step 5: Solve for x
    x = 1,042,034,547.42/36,703.97
  6. Step 6: Final answer
    x = 28,390.24

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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.