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Finding the Fourth Proportional to 13,608,669.60, 20,413,004.40 and 4,023,194.40

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Solution

The fourth proportional to 13,608,669.60, 20,413,004.40 and 4,023,194.40 is: 6,034,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,669.60 : 20,413,004.40 = 4,023,194.40 : x
  2. Step 2: Convert to fraction form
    13,608,669.60/20,413,004.40 = 4,023,194.40/x
  3. Step 3: Cross multiply
    13,608,669.60x = 20,413,004.40 × 4,023,194.40
  4. Step 4: Simplify right side
    13,608,669.60x = 82,125,484,989,255.36
  5. Step 5: Solve for x
    x = 82,125,484,989,255.36/13,608,669.60
  6. Step 6: Final answer
    x = 6,034,791.60

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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.