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Finding the Fourth Proportional to 6,457,405.88, 8,910,443.72 and 3,703,951.01

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Solution

The fourth proportional to 6,457,405.88, 8,910,443.72 and 3,703,951.01 is: 5,111,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,405.88 : 8,910,443.72 = 3,703,951.01 : x
  2. Step 2: Convert to fraction form
    6,457,405.88/8,910,443.72 = 3,703,951.01/x
  3. Step 3: Cross multiply
    6,457,405.88x = 8,910,443.72 × 3,703,951.01
  4. Step 4: Simplify right side
    6,457,405.88x = 33,003,846,953,170.18
  5. Step 5: Solve for x
    x = 33,003,846,953,170.18/6,457,405.88
  6. Step 6: Final answer
    x = 5,111,007.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.