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Finding the Fourth Proportional to 8,583,698.60, 12,873,550.40 and 3,194,886.86

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Solution

The fourth proportional to 8,583,698.60, 12,873,550.40 and 3,194,886.86 is: 4,791,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583,698.60 : 12,873,550.40 = 3,194,886.86 : x
  2. Step 2: Convert to fraction form
    8,583,698.60/12,873,550.40 = 3,194,886.86/x
  3. Step 3: Cross multiply
    8,583,698.60x = 12,873,550.40 × 3,194,886.86
  4. Step 4: Simplify right side
    8,583,698.60x = 41,129,537,014,507.74
  5. Step 5: Solve for x
    x = 41,129,537,014,507.74/8,583,698.60
  6. Step 6: Final answer
    x = 4,791,586.81

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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.