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Finding the Fourth Proportional to 38,791.72, 53,532.63 and 22,024.72

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Solution

The fourth proportional to 38,791.72, 53,532.63 and 22,024.72 is: 30,394.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,791.72 : 53,532.63 = 22,024.72 : x
  2. Step 2: Convert to fraction form
    38,791.72/53,532.63 = 22,024.72/x
  3. Step 3: Cross multiply
    38,791.72x = 53,532.63 × 22,024.72
  4. Step 4: Simplify right side
    38,791.72x = 1,179,040,918.95
  5. Step 5: Solve for x
    x = 1,179,040,918.95/38,791.72
  6. Step 6: Final answer
    x = 30,394.14

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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.