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Finding the Fourth Proportional to 8,959,583.72, 13,443,861.16 and 4,101,880.88

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Solution

The fourth proportional to 8,959,583.72, 13,443,861.16 and 4,101,880.88 is: 6,154,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959,583.72 : 13,443,861.16 = 4,101,880.88 : x
  2. Step 2: Convert to fraction form
    8,959,583.72/13,443,861.16 = 4,101,880.88/x
  3. Step 3: Cross multiply
    8,959,583.72x = 13,443,861.16 × 4,101,880.88
  4. Step 4: Simplify right side
    8,959,583.72x = 55,145,117,045,578.62
  5. Step 5: Solve for x
    x = 55,145,117,045,578.62/8,959,583.72
  6. Step 6: Final answer
    x = 6,154,874.91

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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.