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Finding the Fourth Proportional to 8,353,863.80, 12,530,795.70 and 2,674,273.40

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Solution

The fourth proportional to 8,353,863.80, 12,530,795.70 and 2,674,273.40 is: 4,011,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,863.80 : 12,530,795.70 = 2,674,273.40 : x
  2. Step 2: Convert to fraction form
    8,353,863.80/12,530,795.70 = 2,674,273.40/x
  3. Step 3: Cross multiply
    8,353,863.80x = 12,530,795.70 × 2,674,273.40
  4. Step 4: Simplify right side
    8,353,863.80x = 33,510,773,621,344.38
  5. Step 5: Solve for x
    x = 33,510,773,621,344.38/8,353,863.80
  6. Step 6: Final answer
    x = 4,011,410.10

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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.