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Finding the Fourth Proportional to 13,201.03, 19,799.70 and 3,339.70

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Solution

The fourth proportional to 13,201.03, 19,799.70 and 3,339.70 is: 5,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.03 : 19,799.70 = 3,339.70 : x
  2. Step 2: Convert to fraction form
    13,201.03/19,799.70 = 3,339.70/x
  3. Step 3: Cross multiply
    13,201.03x = 19,799.70 × 3,339.70
  4. Step 4: Simplify right side
    13,201.03x = 66,125,058.09
  5. Step 5: Solve for x
    x = 66,125,058.09/13,201.03
  6. Step 6: Final answer
    x = 5,009.08

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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.