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Finding the Fourth Proportional to 39,010.57, 53,841.87 and 22,243.57

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Solution

The fourth proportional to 39,010.57, 53,841.87 and 22,243.57 is: 30,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,010.57 : 53,841.87 = 22,243.57 : x
  2. Step 2: Convert to fraction form
    39,010.57/53,841.87 = 22,243.57/x
  3. Step 3: Cross multiply
    39,010.57x = 53,841.87 × 22,243.57
  4. Step 4: Simplify right side
    39,010.57x = 1,197,635,404.28
  5. Step 5: Solve for x
    x = 1,197,635,404.28/39,010.57
  6. Step 6: Final answer
    x = 30,700.28

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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.