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Finding the Fourth Proportional to 6,469,082.64, 8,927,358.98 and 3,568,431.74

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Solution

The fourth proportional to 6,469,082.64, 8,927,358.98 and 3,568,431.74 is: 4,924,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469,082.64 : 8,927,358.98 = 3,568,431.74 : x
  2. Step 2: Convert to fraction form
    6,469,082.64/8,927,358.98 = 3,568,431.74/x
  3. Step 3: Cross multiply
    6,469,082.64x = 8,927,358.98 × 3,568,431.74
  4. Step 4: Simplify right side
    6,469,082.64x = 31,856,671,076,127.07
  5. Step 5: Solve for x
    x = 31,856,671,076,127.07/6,469,082.64
  6. Step 6: Final answer
    x = 4,924,449.55

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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.