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Finding the Fourth Proportional to 8,303,753.90, 12,455,630.85 and 7,463,945.90

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Solution

The fourth proportional to 8,303,753.90, 12,455,630.85 and 7,463,945.90 is: 11,195,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,753.90 : 12,455,630.85 = 7,463,945.90 : x
  2. Step 2: Convert to fraction form
    8,303,753.90/12,455,630.85 = 7,463,945.90/x
  3. Step 3: Cross multiply
    8,303,753.90x = 12,455,630.85 × 7,463,945.90
  4. Step 4: Simplify right side
    8,303,753.90x = 92,968,154,814,771.02
  5. Step 5: Solve for x
    x = 92,968,154,814,771.02/8,303,753.90
  6. Step 6: Final answer
    x = 11,195,918.85

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Similar ratio
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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.