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Finding the Fourth Proportional to 6,652,168.20, 9,975,336.30 and 3,056,740.20

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Solution

The fourth proportional to 6,652,168.20, 9,975,336.30 and 3,056,740.20 is: 4,583,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652,168.20 : 9,975,336.30 = 3,056,740.20 : x
  2. Step 2: Convert to fraction form
    6,652,168.20/9,975,336.30 = 3,056,740.20/x
  3. Step 3: Cross multiply
    6,652,168.20x = 9,975,336.30 × 3,056,740.20
  4. Step 4: Simplify right side
    6,652,168.20x = 30,492,011,476,729.27
  5. Step 5: Solve for x
    x = 30,492,011,476,729.27/6,652,168.20
  6. Step 6: Final answer
    x = 4,583,770.37

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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.