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Finding the Fourth Proportional to 36,784.01, 50,761.94 and 20,649.08

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Solution

The fourth proportional to 36,784.01, 50,761.94 and 20,649.08 is: 28,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,784.01 : 50,761.94 = 20,649.08 : x
  2. Step 2: Convert to fraction form
    36,784.01/50,761.94 = 20,649.08/x
  3. Step 3: Cross multiply
    36,784.01x = 50,761.94 × 20,649.08
  4. Step 4: Simplify right side
    36,784.01x = 1,048,187,214.29
  5. Step 5: Solve for x
    x = 1,048,187,214.29/36,784.01
  6. Step 6: Final answer
    x = 28,495.73

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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.