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Finding the Fourth Proportional to 8,872,200.11, 12,243,630.99 and 4,797,819.11

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Solution

The fourth proportional to 8,872,200.11, 12,243,630.99 and 4,797,819.11 is: 6,620,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872,200.11 : 12,243,630.99 = 4,797,819.11 : x
  2. Step 2: Convert to fraction form
    8,872,200.11/12,243,630.99 = 4,797,819.11/x
  3. Step 3: Cross multiply
    8,872,200.11x = 12,243,630.99 × 4,797,819.11
  4. Step 4: Simplify right side
    8,872,200.11x = 58,742,726,770,219.30
  5. Step 5: Solve for x
    x = 58,742,726,770,219.30/8,872,200.11
  6. Step 6: Final answer
    x = 6,620,987.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.