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Finding the Fourth Proportional to 8,442,994.50, 12,664,314.36 and 2,053,280.34

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Solution

The fourth proportional to 8,442,994.50, 12,664,314.36 and 2,053,280.34 is: 3,079,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442,994.50 : 12,664,314.36 = 2,053,280.34 : x
  2. Step 2: Convert to fraction form
    8,442,994.50/12,664,314.36 = 2,053,280.34/x
  3. Step 3: Cross multiply
    8,442,994.50x = 12,664,314.36 × 2,053,280.34
  4. Step 4: Simplify right side
    8,442,994.50x = 26,003,387,694,967.68
  5. Step 5: Solve for x
    x = 26,003,387,694,967.68/8,442,994.50
  6. Step 6: Final answer
    x = 3,079,877.37

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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.