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Finding the Fourth Proportional to 5,583,907.80, 8,375,861.70 and 3,670,720.20

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Solution

The fourth proportional to 5,583,907.80, 8,375,861.70 and 3,670,720.20 is: 5,506,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583,907.80 : 8,375,861.70 = 3,670,720.20 : x
  2. Step 2: Convert to fraction form
    5,583,907.80/8,375,861.70 = 3,670,720.20/x
  3. Step 3: Cross multiply
    5,583,907.80x = 8,375,861.70 × 3,670,720.20
  4. Step 4: Simplify right side
    5,583,907.80x = 30,745,444,734,596.34
  5. Step 5: Solve for x
    x = 30,745,444,734,596.34/5,583,907.80
  6. Step 6: Final answer
    x = 5,506,080.30

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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.