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Finding the Fourth Proportional to 8,304,984.80, 12,459,226.80 and 2,625,783.20

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Solution

The fourth proportional to 8,304,984.80, 12,459,226.80 and 2,625,783.20 is: 3,939,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304,984.80 : 12,459,226.80 = 2,625,783.20 : x
  2. Step 2: Convert to fraction form
    8,304,984.80/12,459,226.80 = 2,625,783.20/x
  3. Step 3: Cross multiply
    8,304,984.80x = 12,459,226.80 × 2,625,783.20
  4. Step 4: Simplify right side
    8,304,984.80x = 32,715,228,416,429.77
  5. Step 5: Solve for x
    x = 32,715,228,416,429.77/8,304,984.80
  6. Step 6: Final answer
    x = 3,939,227.97

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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.