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Finding the Fourth Proportional to 36,762.67, 50,743.35 and 21,660.21

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Solution

The fourth proportional to 36,762.67, 50,743.35 and 21,660.21 is: 29,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,762.67 : 50,743.35 = 21,660.21 : x
  2. Step 2: Convert to fraction form
    36,762.67/50,743.35 = 21,660.21/x
  3. Step 3: Cross multiply
    36,762.67x = 50,743.35 × 21,660.21
  4. Step 4: Simplify right side
    36,762.67x = 1,099,111,884.27
  5. Step 5: Solve for x
    x = 1,099,111,884.27/36,762.67
  6. Step 6: Final answer
    x = 29,897.50

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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.