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Finding the Fourth Proportional to 5,812,009.74, 8,718,342.48 and 1,768,629.30

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Solution

The fourth proportional to 5,812,009.74, 8,718,342.48 and 1,768,629.30 is: 2,653,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812,009.74 : 8,718,342.48 = 1,768,629.30 : x
  2. Step 2: Convert to fraction form
    5,812,009.74/8,718,342.48 = 1,768,629.30/x
  3. Step 3: Cross multiply
    5,812,009.74x = 8,718,342.48 × 1,768,629.30
  4. Step 4: Simplify right side
    5,812,009.74x = 15,419,515,957,562.67
  5. Step 5: Solve for x
    x = 15,419,515,957,562.67/5,812,009.74
  6. Step 6: Final answer
    x = 2,653,043.72

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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.