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Finding the Fourth Proportional to 8,869,992.32, 13,304,871.84 and 2,138,352.32

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Solution

The fourth proportional to 8,869,992.32, 13,304,871.84 and 2,138,352.32 is: 3,207,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,992.32 : 13,304,871.84 = 2,138,352.32 : x
  2. Step 2: Convert to fraction form
    8,869,992.32/13,304,871.84 = 2,138,352.32/x
  3. Step 3: Cross multiply
    8,869,992.32x = 13,304,871.84 × 2,138,352.32
  4. Step 4: Simplify right side
    8,869,992.32x = 28,450,503,566,366.67
  5. Step 5: Solve for x
    x = 28,450,503,566,366.67/8,869,992.32
  6. Step 6: Final answer
    x = 3,207,500.36

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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.