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Finding the Fourth Proportional to 8,317,996.80, 12,476,073.60 and 6,819,475.20

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Solution

The fourth proportional to 8,317,996.80, 12,476,073.60 and 6,819,475.20 is: 10,228,457.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,996.80 : 12,476,073.60 = 6,819,475.20 : x
  2. Step 2: Convert to fraction form
    8,317,996.80/12,476,073.60 = 6,819,475.20/x
  3. Step 3: Cross multiply
    8,317,996.80x = 12,476,073.60 × 6,819,475.20
  4. Step 4: Simplify right side
    8,317,996.80x = 85,080,274,508,574.72
  5. Step 5: Solve for x
    x = 85,080,274,508,574.72/8,317,996.80
  6. Step 6: Final answer
    x = 10,228,457.23

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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.