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Finding the Fourth Proportional to 8,563,966.50, 11,817,187.56 and 4,695,469.68

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Solution

The fourth proportional to 8,563,966.50, 11,817,187.56 and 4,695,469.68 is: 6,479,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563,966.50 : 11,817,187.56 = 4,695,469.68 : x
  2. Step 2: Convert to fraction form
    8,563,966.50/11,817,187.56 = 4,695,469.68/x
  3. Step 3: Cross multiply
    8,563,966.50x = 11,817,187.56 × 4,695,469.68
  4. Step 4: Simplify right side
    8,563,966.50x = 55,487,245,890,853.18
  5. Step 5: Solve for x
    x = 55,487,245,890,853.18/8,563,966.50
  6. Step 6: Final answer
    x = 6,479,152.61

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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.