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Finding the Fourth Proportional to 36,571.68, 50,468.94 and 20,657.16

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Solution

The fourth proportional to 36,571.68, 50,468.94 and 20,657.16 is: 28,506.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,571.68 : 50,468.94 = 20,657.16 : x
  2. Step 2: Convert to fraction form
    36,571.68/50,468.94 = 20,657.16/x
  3. Step 3: Cross multiply
    36,571.68x = 50,468.94 × 20,657.16
  4. Step 4: Simplify right side
    36,571.68x = 1,042,544,968.61
  5. Step 5: Solve for x
    x = 1,042,544,968.61/36,571.68
  6. Step 6: Final answer
    x = 28,506.89

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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.