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Finding the Fourth Proportional to 34,889.52, 52,338.90 and 11,189.16

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Solution

The fourth proportional to 34,889.52, 52,338.90 and 11,189.16 is: 16,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,889.52 : 52,338.90 = 11,189.16 : x
  2. Step 2: Convert to fraction form
    34,889.52/52,338.90 = 11,189.16/x
  3. Step 3: Cross multiply
    34,889.52x = 52,338.90 × 11,189.16
  4. Step 4: Simplify right side
    34,889.52x = 585,628,326.32
  5. Step 5: Solve for x
    x = 585,628,326.32/34,889.52
  6. Step 6: Final answer
    x = 16,785.22

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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.