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Finding the Fourth Proportional to 6,653,474.56, 9,975,920.92 and 2,610,371.01

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Solution

The fourth proportional to 6,653,474.56, 9,975,920.92 and 2,610,371.01 is: 3,913,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653,474.56 : 9,975,920.92 = 2,610,371.01 : x
  2. Step 2: Convert to fraction form
    6,653,474.56/9,975,920.92 = 2,610,371.01/x
  3. Step 3: Cross multiply
    6,653,474.56x = 9,975,920.92 × 2,610,371.01
  4. Step 4: Simplify right side
    6,653,474.56x = 26,040,854,767,620.53
  5. Step 5: Solve for x
    x = 26,040,854,767,620.53/6,653,474.56
  6. Step 6: Final answer
    x = 3,913,873.05

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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.