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Finding the Fourth Proportional to 6,451,649.06, 8,903,205.32 and 3,550,977.63

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Solution

The fourth proportional to 6,451,649.06, 8,903,205.32 and 3,550,977.63 is: 4,900,310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451,649.06 : 8,903,205.32 = 3,550,977.63 : x
  2. Step 2: Convert to fraction form
    6,451,649.06/8,903,205.32 = 3,550,977.63/x
  3. Step 3: Cross multiply
    6,451,649.06x = 8,903,205.32 × 3,550,977.63
  4. Step 4: Simplify right side
    6,451,649.06x = 31,615,082,908,862.10
  5. Step 5: Solve for x
    x = 31,615,082,908,862.10/6,451,649.06
  6. Step 6: Final answer
    x = 4,900,310.39

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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.