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Finding the Fourth Proportional to 8,858,023.20, 13,266,039.60 and 8,858,023.20

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Solution

The fourth proportional to 8,858,023.20, 13,266,039.60 and 8,858,023.20 is: 13,266,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,023.20 : 13,266,039.60 = 8,858,023.20 : x
  2. Step 2: Convert to fraction form
    8,858,023.20/13,266,039.60 = 8,858,023.20/x
  3. Step 3: Cross multiply
    8,858,023.20x = 13,266,039.60 × 8,858,023.20
  4. Step 4: Simplify right side
    8,858,023.20x = 117,510,886,548,918.70
  5. Step 5: Solve for x
    x = 117,510,886,548,918.70/8,858,023.20
  6. Step 6: Final answer
    x = 13,266,039.60

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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.