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Finding the Fourth Proportional to 35,791.64, 53,676.52 and 17,061.80

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Solution

The fourth proportional to 35,791.64, 53,676.52 and 17,061.80 is: 25,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,791.64 : 53,676.52 = 17,061.80 : x
  2. Step 2: Convert to fraction form
    35,791.64/53,676.52 = 17,061.80/x
  3. Step 3: Cross multiply
    35,791.64x = 53,676.52 × 17,061.80
  4. Step 4: Simplify right side
    35,791.64x = 915,818,048.94
  5. Step 5: Solve for x
    x = 915,818,048.94/35,791.64
  6. Step 6: Final answer
    x = 25,587.48

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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.