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Finding the Fourth Proportional to 13,608,799.60, 20,422,530.60 and 6,041,196.40

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Solution

The fourth proportional to 13,608,799.60, 20,422,530.60 and 6,041,196.40 is: 9,065,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,799.60 : 20,422,530.60 = 6,041,196.40 : x
  2. Step 2: Convert to fraction form
    13,608,799.60/20,422,530.60 = 6,041,196.40/x
  3. Step 3: Cross multiply
    13,608,799.60x = 20,422,530.60 × 6,041,196.40
  4. Step 4: Simplify right side
    13,608,799.60x = 123,376,518,339,609.86
  5. Step 5: Solve for x
    x = 123,376,518,339,609.86/13,608,799.60
  6. Step 6: Final answer
    x = 9,065,936.89

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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.