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Finding the Fourth Proportional to 9,340,398.90, 14,012,566.65 and 2,951,297.10

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Solution

The fourth proportional to 9,340,398.90, 14,012,566.65 and 2,951,297.10 is: 4,427,567.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340,398.90 : 14,012,566.65 = 2,951,297.10 : x
  2. Step 2: Convert to fraction form
    9,340,398.90/14,012,566.65 = 2,951,297.10/x
  3. Step 3: Cross multiply
    9,340,398.90x = 14,012,566.65 × 2,951,297.10
  4. Step 4: Simplify right side
    9,340,398.90x = 41,355,247,317,701.72
  5. Step 5: Solve for x
    x = 41,355,247,317,701.72/9,340,398.90
  6. Step 6: Final answer
    x = 4,427,567.58

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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.