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Finding the Fourth Proportional to 35,359.56, 53,028.01 and 11,661.79

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Solution

The fourth proportional to 35,359.56, 53,028.01 and 11,661.79 is: 17,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,359.56 : 53,028.01 = 11,661.79 : x
  2. Step 2: Convert to fraction form
    35,359.56/53,028.01 = 11,661.79/x
  3. Step 3: Cross multiply
    35,359.56x = 53,028.01 × 11,661.79
  4. Step 4: Simplify right side
    35,359.56x = 618,401,516.74
  5. Step 5: Solve for x
    x = 618,401,516.74/35,359.56
  6. Step 6: Final answer
    x = 17,488.95

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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.