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Finding the Fourth Proportional to 35,059.78, 52,589.94 and 11,686.20

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Solution

The fourth proportional to 35,059.78, 52,589.94 and 11,686.20 is: 17,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,059.78 : 52,589.94 = 11,686.20 : x
  2. Step 2: Convert to fraction form
    35,059.78/52,589.94 = 11,686.20/x
  3. Step 3: Cross multiply
    35,059.78x = 52,589.94 × 11,686.20
  4. Step 4: Simplify right side
    35,059.78x = 614,576,556.83
  5. Step 5: Solve for x
    x = 614,576,556.83/35,059.78
  6. Step 6: Final answer
    x = 17,529.39

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1.5x scale

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.