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Finding the Fourth Proportional to 35,757.60, 53,647.97 and 21,541.48

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Solution

The fourth proportional to 35,757.60, 53,647.97 and 21,541.48 is: 32,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,757.60 : 53,647.97 = 21,541.48 : x
  2. Step 2: Convert to fraction form
    35,757.60/53,647.97 = 21,541.48/x
  3. Step 3: Cross multiply
    35,757.60x = 53,647.97 × 21,541.48
  4. Step 4: Simplify right side
    35,757.60x = 1,155,656,672.80
  5. Step 5: Solve for x
    x = 1,155,656,672.80/35,757.60
  6. Step 6: Final answer
    x = 32,319.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.