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Finding the Fourth Proportional to 29,900.30, 44,853.69 and 11,189.30

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Solution

The fourth proportional to 29,900.30, 44,853.69 and 11,189.30 is: 16,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,900.30 : 44,853.69 = 11,189.30 : x
  2. Step 2: Convert to fraction form
    29,900.30/44,853.69 = 11,189.30/x
  3. Step 3: Cross multiply
    29,900.30x = 44,853.69 × 11,189.30
  4. Step 4: Simplify right side
    29,900.30x = 501,881,393.52
  5. Step 5: Solve for x
    x = 501,881,393.52/29,900.30
  6. Step 6: Final answer
    x = 16,785.16

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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.