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Finding the Fourth Proportional to 6,604,630.60, 9,895,136.10 and 5,588,987.80

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Solution

The fourth proportional to 6,604,630.60, 9,895,136.10 and 5,588,987.80 is: 8,373,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604,630.60 : 9,895,136.10 = 5,588,987.80 : x
  2. Step 2: Convert to fraction form
    6,604,630.60/9,895,136.10 = 5,588,987.80/x
  3. Step 3: Cross multiply
    6,604,630.60x = 9,895,136.10 × 5,588,987.80
  4. Step 4: Simplify right side
    6,604,630.60x = 55,303,794,942,239.58
  5. Step 5: Solve for x
    x = 55,303,794,942,239.58/6,604,630.60
  6. Step 6: Final answer
    x = 8,373,487.98

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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.