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Finding the Fourth Proportional to 36,810.48, 50,791.53 and 21,707.89

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Solution

The fourth proportional to 36,810.48, 50,791.53 and 21,707.89 is: 29,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,810.48 : 50,791.53 = 21,707.89 : x
  2. Step 2: Convert to fraction form
    36,810.48/50,791.53 = 21,707.89/x
  3. Step 3: Cross multiply
    36,810.48x = 50,791.53 × 21,707.89
  4. Step 4: Simplify right side
    36,810.48x = 1,102,576,946.17
  5. Step 5: Solve for x
    x = 1,102,576,946.17/36,810.48
  6. Step 6: Final answer
    x = 29,952.80

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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.