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Finding the Fourth Proportional to 6,480,861.74, 8,943,561.15 and 3,580,252.46

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Solution

The fourth proportional to 6,480,861.74, 8,943,561.15 and 3,580,252.46 is: 4,940,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480,861.74 : 8,943,561.15 = 3,580,252.46 : x
  2. Step 2: Convert to fraction form
    6,480,861.74/8,943,561.15 = 3,580,252.46/x
  3. Step 3: Cross multiply
    6,480,861.74x = 8,943,561.15 × 3,580,252.46
  4. Step 4: Simplify right side
    6,480,861.74x = 32,020,206,808,447.93
  5. Step 5: Solve for x
    x = 32,020,206,808,447.93/6,480,861.74
  6. Step 6: Final answer
    x = 4,940,732.90

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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.