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Finding the Fourth Proportional to 8,318,880.80, 12,482,986.80 and 3,525,754.40

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Solution

The fourth proportional to 8,318,880.80, 12,482,986.80 and 3,525,754.40 is: 5,290,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,880.80 : 12,482,986.80 = 3,525,754.40 : x
  2. Step 2: Convert to fraction form
    8,318,880.80/12,482,986.80 = 3,525,754.40/x
  3. Step 3: Cross multiply
    8,318,880.80x = 12,482,986.80 × 3,525,754.40
  4. Step 4: Simplify right side
    8,318,880.80x = 44,011,945,635,241.92
  5. Step 5: Solve for x
    x = 44,011,945,635,241.92/8,318,880.80
  6. Step 6: Final answer
    x = 5,290,609.00

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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.