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Finding the Fourth Proportional to 13,361,993.60, 20,042,815.44 and 3,264,702.08

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Solution

The fourth proportional to 13,361,993.60, 20,042,815.44 and 3,264,702.08 is: 4,897,010.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,993.60 : 20,042,815.44 = 3,264,702.08 : x
  2. Step 2: Convert to fraction form
    13,361,993.60/20,042,815.44 = 3,264,702.08/x
  3. Step 3: Cross multiply
    13,361,993.60x = 20,042,815.44 × 3,264,702.08
  4. Step 4: Simplify right side
    13,361,993.60x = 65,433,821,256,024.12
  5. Step 5: Solve for x
    x = 65,433,821,256,024.12/13,361,993.60
  6. Step 6: Final answer
    x = 4,897,010.37

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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.