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Finding the Fourth Proportional to 13,608,822.60, 20,413,233.90 and 5,088,051.90

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Solution

The fourth proportional to 13,608,822.60, 20,413,233.90 and 5,088,051.90 is: 7,632,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,822.60 : 20,413,233.90 = 5,088,051.90 : x
  2. Step 2: Convert to fraction form
    13,608,822.60/20,413,233.90 = 5,088,051.90/x
  3. Step 3: Cross multiply
    13,608,822.60x = 20,413,233.90 × 5,088,051.90
  4. Step 4: Simplify right side
    13,608,822.60x = 103,863,593,530,039.41
  5. Step 5: Solve for x
    x = 103,863,593,530,039.41/13,608,822.60
  6. Step 6: Final answer
    x = 7,632,077.85

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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.