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Finding the Fourth Proportional to 5,873,178.64, 8,809,750.60 and 1,613,351.28

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Solution

The fourth proportional to 5,873,178.64, 8,809,750.60 and 1,613,351.28 is: 2,420,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873,178.64 : 8,809,750.60 = 1,613,351.28 : x
  2. Step 2: Convert to fraction form
    5,873,178.64/8,809,750.60 = 1,613,351.28/x
  3. Step 3: Cross multiply
    5,873,178.64x = 8,809,750.60 × 1,613,351.28
  4. Step 4: Simplify right side
    5,873,178.64x = 14,213,222,406,990.77
  5. Step 5: Solve for x
    x = 14,213,222,406,990.77/5,873,178.64
  6. Step 6: Final answer
    x = 2,420,022.15

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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.