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Finding the Fourth Proportional to 36,851.32, 50,854.84 and 20,935.80

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Solution

The fourth proportional to 36,851.32, 50,854.84 and 20,935.80 is: 28,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,851.32 : 50,854.84 = 20,935.80 : x
  2. Step 2: Convert to fraction form
    36,851.32/50,854.84 = 20,935.80/x
  3. Step 3: Cross multiply
    36,851.32x = 50,854.84 × 20,935.80
  4. Step 4: Simplify right side
    36,851.32x = 1,064,686,706.93
  5. Step 5: Solve for x
    x = 1,064,686,706.93/36,851.32
  6. Step 6: Final answer
    x = 28,891.41

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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.