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Finding the Fourth Proportional to 26,812,992.60, 40,219,488.90 and 26,812,992.60

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Solution

The fourth proportional to 26,812,992.60, 40,219,488.90 and 26,812,992.60 is: 40,219,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,812,992.60 : 40,219,488.90 = 26,812,992.60 : x
  2. Step 2: Convert to fraction form
    26,812,992.60/40,219,488.90 = 26,812,992.60/x
  3. Step 3: Cross multiply
    26,812,992.60x = 40,219,488.90 × 26,812,992.60
  4. Step 4: Simplify right side
    26,812,992.60x = 1,078,404,858,251,482.12
  5. Step 5: Solve for x
    x = 1,078,404,858,251,482.12/26,812,992.60
  6. Step 6: Final answer
    x = 40,219,488.90

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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.